What is the missing number of the following sequence 1, 3, 9, 81, ? , 43046721

Akanksha Mishra   10 years AGO

Look upon the series carefully
1, 3, 9, 81, ? , 43046721

3 * 3 = 9
9 * 9 = 81

similarly
81* 81 = 6561 (answer)

6561*6561 = 43046721

so answer will 6561

Like? Yes (31) | No (6)  

Dr.Dipin Singh   10 years AGO

series is
3^0,3^1,3^2,3^4,3^8,3^16
so missing number is 3^8= 81*81= 6561

Like? Yes (11) | No (7)  

nazar   10 years AGO

(3)2=9
(9)2=81
(81)2=6561
(6561)2=43046721

Like? Yes (2) | No   

karthik hariharan   10 years AGO

81*81=6561
81*(3*3*3*3)=81

Like? Yes (2) | No   

Rajasekhar Reddy   10 years AGO

the sequence follows as
3^0 = 1
3^1 = 3
3^2 = 9
3^4 = 81
3^8 = 6561
3^16 = 43046721
so, the missing number is 6561

Like? Yes (8) | No (7)  

S.SHAFI   10 years AGO

Given series, the number is in n^2 form of previous number.
1,3
3^2 = 9
9^2 = 81
81^2 = 6561
6561^2 = 43046721

Like? Yes (3) | No (2)  

YUVAN SATHAIAH   10 years AGO

square of the previous number

Like? Yes (2) | No (1)  

K Venkata Subba Rao   10 years AGO

n*n

Like? Yes (3) | No (2)  

NAGENDRA P   10 years AGO

squaring each no. of series we will get next subsequent no. of the series..
1^2=1..
3^2=9..
9^2=81..
81^2=6561..
6561^2=43046721..
so option(4) is the answer..

Like? Yes (1) | No   

Mahalakshmi   10 years AGO

3^2= 9
9^2= 81
81^2 is 6561
6561^2 = 43046721

Like? Yes (1) | No   

Aarush Singh   10 years AGO

1. This is because nine multiplied by nine equals 81. 81 multiplied by 81 equals 6561, and 6561 multiplied by 6561 equals 43046721

Like? Yes (2) | No (1)  

Chithra   10 years AGO

3^2=9
9^2=81
81^2=6561
6561^2=43046721

Like? Yes (2) | No (1)  

lovely verma   10 years AGO

1
1*3=3
3*3=9
9*9=81
81*81=6561
6561*6561=43046721
............................................
so answer is 6561
................................................

Like? Yes (2) | No (1)  

R.RAVIKUMAR   10 years AGO

1,3,9,81,?,43046721

(1^2)*3=3
(3^2)*9=81
(9^2)*81=6561
(81^2)*6561=43046721

Like? Yes (3) | No (2)  

TRIMURTULU   10 years AGO

squares of the numbers obtained from the previous number starting from 1,3
1*1=1
3*3=9
9*9=81
81*81=6561
6561*6561=43046721

Like? Yes (1) | No   

madanpal vishwakarma    10 years AGO

THE GIVEN SERIES
1, 3, 9, 81, ? , 43046721
3^0,3^1,3^2,3^4,3^8,3^16
SO OPTION 4>6561 IS CORRECT

Like? Yes (3) | No (2)  

shilpi   10 years AGO

we are squaring each previous digit to get the next digit. 81 * 81 = 6561, 6561 * 6561 = 43046721

Like? Yes (1) | No   

Pallekonda Rajesh   10 years AGO

next number is the square of the number
3^2=9
9^2=81
81^2=6561
6561^2=43046721

Like? Yes (1) | No   

Vaishali Dhiman   10 years AGO

ans is 6561
3^2=9
9^2=81
81^2=6561
6561^2=43046721

Like? Yes (1) | No   

devendra singh   10 years AGO

ALL ARE SQUARE OF PREVIOUS TERM...

Like? Yes (1) | No   

SID PRASANTH KUMAR   10 years AGO

3^2=9
9^2=81
81^2=6561

Like? Yes (2) | No (1)  

ranu   10 years AGO

1*3=3
3*3=9
9*9=81
81*81=6561
6561*6561=43046721

Like? Yes (1) | No   

MD SOHAIL AKHTER   10 years AGO

3^2=9
9^2=81
81^2=6561
6561^2=43046721

Like? Yes (2) | No (1)  

Sudipta Mukherjee   10 years AGO

81*81=6561

Like? Yes (1) | No   

Shivani Gupta   10 years AGO

1*3=3,3*3=9,9*9=81,81*81=6561,6561*6561=43046721.

Like? Yes (2) | No (1)  

AVIJIT   10 years AGO

81*81=6561

Like? Yes (1) | No   

santhosh   10 years AGO

81*81=6561

Like? Yes (1) | No   

neeraj   10 years AGO

1*3=3
3*3=3
9*9=81
81*81=6561
6561*6561=43046721

Like? Yes (1) | No   

jayabharathy   10 years AGO

3*3=9
9*9=81
81*81=6561

Like? Yes (1) | No   

Vijaya Bharathi   10 years AGO

81*81

Like? Yes (1) | No   

astha   10 years AGO

81*81

Like? Yes (1) | No   

Snehasis   10 years AGO

It follows the square of the given no:
3^2 = 9
9^2 = 81
81^2 = 6561-------->this is the required answer.
6561^2 = 43046721

Like? Yes (1) | No   

haritadara   10 years AGO

3*3=9
9*9=81
81*81=6561
6561*6561=43046721

Like? Yes (1) | No   

HOOR FARHEEN   10 years AGO

3*3=9
9*9=81
81*81=6561
6561*6561=43046721

Like? Yes (1) | No   

Kaleem Pasha   10 years AGO

1*1=1
1*3=3
3*3=9
9*9=81
81*81=6561
6561*6561=43046721

Like? Yes (1) | No   

Manikumar R   10 years AGO

81*81

Like? Yes (1) | No   

vitoba   10 years AGO

81^2=6561,
similarly ....

Like? Yes (1) | No   

FAISAL RIZWAN   10 years AGO

Solution are as follows:-
1*3=3
3*3=9
9*9=81
81*81=6561
6561*6561=43046721

So option 4 is correct

Like? Yes (1) | No   

ajay jha   10 years AGO

as in given series next no is square of prev no like 3*3=9;
9*9=81;
similarly 81*81=6561

Like? Yes (1) | No   

Subhash chandra pal   10 years AGO

except first and second terms all terms are square of the previous one.
ex:
9=3^2
81=9^2
6561=81^2
43046721=6561^2

Like? Yes (1) | No   

SADINENI RAGHAVENDRA BABU   10 years AGO

81*81=6561

Like? Yes (1) | No   

saurabh   10 years AGO

81*81

Like? Yes (1) | No   

Neha Rani   10 years AGO

1*3=3
3*3=9
9*9=81
81*81=6561 Ans
6561*6561=43046721

Like? Yes (1) | No   

TANUSREE MAHAPATRA   10 years AGO

81*9*9=6561

Like? Yes (1) | No   

rana chowdhury   10 years AGO

3^2=9
9^2=81
81^2=6561
as well as (43046721)^(1/2)=6561

Like? Yes (1) | No   

pari   10 years AGO

(3)^0+(3)^1+(3)^2+(3)^4 + ? +(3)^16

so ans will be (3)^8= 6561

Like? Yes (1) | No   

Tejaswee Karani   10 years AGO

3*3=9
9*9=81
81*81=6561
6561*6561=43046721

so,6561 is the correct answer

Like? Yes (1) | No   

ASHISH MITTAL   10 years AGO

3^0, 3^1, 3^2, 3^4, 3^8, 3^16

Like? Yes (1) | No   

Rituparna Chakraborty   10 years AGO

1st term=3^0=1
2nd term=3^1=3
3rd term=3^(1*2)=3^2=9
4th term=3^(2*2)=3^4=81
5th term=3^(4*2)=3^8=6561
6th term=3^(8*2)=3^16=43046721
So Ans=6561

Like? Yes (1) | No   

vishwanath   10 years AGO

81 square

Like? Yes (1) | No   

shyam   10 years AGO

3 to the power 8

Like? Yes (1) | No   

PONRAJ.B   10 years AGO

3*3=9
9*9=81
81*81=6561

Like? Yes (1) | No   

rakesh   10 years AGO

3^0,3^1,3^2,3^4,3^8,3^16

Like? Yes (1) | No   

Sukanya   10 years AGO

3^0=1
3^1=3
3^2=9
3^4=81
3^8=6561
3^16=43046721

Like? Yes (1) | No   

vasudha   10 years AGO

1,3,3^2,9^2,81^2,6561^2
1,3,9, 81, 6561.....

Like? Yes (1) | No   

Soumya   10 years AGO

in sequence 3^2=9,9^2=81,likewise 81^2=6561,6561^2=43046721.

Like? Yes (1) | No   

kiran kumar reddy yanamala   10 years AGO

square of the numbers

Like? Yes (1) | No   

DHIRENDRA    10 years AGO

81*81= 6561

Like? Yes (1) | No   

Kaustubh karekar   10 years AGO

the sequence is square of previous number

Like? Yes (1) | No   

Suman Saurabh   10 years AGO

since in this series next number is square of previous number.
so missing number in this series is 81*81=6561

Like? Yes (1) | No   

haritha   10 years AGO

81 ^2=6561

Like? Yes (1) | No   

Hemalatha   10 years AGO

81^2=6561

Like? Yes (1) | No   

srinu   10 years AGO

81*81=6561
6561*6561=43046721

Like? Yes (1) | No   

Leelanand Kumar Yalla   10 years AGO

Here 3^0= 1;
3^1= 3;
3^2= 9;
3^4= 81;
3^8= 6561;
3^16= 43046721;
Like the way it follows... so answer is 6561...

Like? Yes (1) | No   

kiruthika   10 years AGO

The series is
1, 3, 9, 81, ? , 43046721

3^2=9
81^2=6561
6561^2=43046721

Like? Yes (1) | No   

vijayakumar   10 years AGO

formula=n^2
values=1,3,9,......

1)n=1
1^2=1

2)n=3
3^2=9

3)n=9
9^2=81

ans:6561
n=81
81^2=6561

Like? Yes (1) | No   

Keshav Kishlay   10 years AGO

81*81=6561

Like? Yes (1) | No   

Parthi Smith   10 years AGO

6561^2=43046721

Like? Yes (1) | No   

indu   10 years AGO

it is a sqare root of 81 or 81*81=6561

Like? Yes (1) | No   

JYOTIRMAYA MOHAPATRA   10 years AGO

81*81=6561

Like? Yes (1) | No   

KRISHNAN   10 years AGO

Each number is previous numbers square after 1

3^2=9 , 9^2= 81, 81^2= 6561, 6561^2=43046721

So option 4 is correct answer

Like? Yes (1) | No (1)  

Madhvi Soni   10 years AGO

6561

3^2=9
9^2=81
81^2=6561
6561^2=43046721

Ans 81*81

Like? Yes (1) | No (1)  

aviral bhargava   10 years AGO

a series is being formed here of,
3^0,3^1,3^2,3^4,3^?,3^16
Hence the ? mark would be replaced by 8
because the powers are forming again a series of,
0,1,2,4,8,16
every term is the double of its previous term.
Hence the option 4 is correct which is (3^8).

Like? Yes (1) | No (1)  

Balakumaran N.A   10 years AGO

81*81 = 6561.

Like? Yes (1) | No (1)  

susmit   10 years AGO

1*3=3
3*3=9
9*9=81
81*81=6561
6561*6561=43046721
option no. 4

Like? Yes (1) | No (1)  

Jigyasa Kumar   10 years AGO

1. This is because nine multiplied by nine equals 81. 81 multiplied by 81 equals 6561, and 6561 multiplied by 6561 equals 43046721

Like? Yes (1) | No (1)  

achyuth   10 years AGO

in this sequence 1,3,9,81,?,43046721..
81*81=6561

ans;6561
opt(4)

Like? Yes (1) | No (1)  

saisudha sarva   10 years AGO

3^0=1
3^1=3
3^2=9
3^4=81
3^8=6561 & 3^16 =43046721

Like? Yes (1) | No (1)  

gourav saini   10 years AGO

1,3,9,81,?,43046721
sq of 1 is 1
sq of 3 is 9 so we get the next term
sq of 9 is 81 again we get the next term
then sq of 81 is 6561
if we sq the 6561 we get 43046721
so ans 1s 4

Like? Yes (1) | No (1)  

Devendra Marghade   10 years AGO

3^0=1
3^1=3
3^2=9
3^4=81
3^8=6561
3^16=43046721

Like? Yes (1) | No (1)  

Murugan D   10 years AGO

answer is 4
because 81X81=6561
6561X6561=43046721

Like? Yes (1) | No (1)  

Prashasti Sharma   10 years AGO

3^2=9
9^2=81
81^2=6561
6561^2=43046721

Like? Yes (1) | No (1)  

Harshit Daga   10 years AGO

1, 3, 3^2, 9^2..
and next number would be...
81^2 = 6561.

means, option 4 is correct..

Like? Yes (1) | No (1)  

akash   10 years AGO

1^2=1
3^2=9
9^2=81
81^2=6561
6561^2=43046721

Like? Yes (1) | No (1)  

shamma mohammad   10 years AGO

1*3^0=1
1*3^1=3
1*3^2=9
1*3^4=81
1*3^8=6561
1*3^16=43046721

Like? Yes (3) | No (3)  

abhilasha   10 years AGO

1. This is because nine multiplied by nine equals 81. 81 multiplied by 81 equals 6561, and 6561 multiplied by 6561 equals 43046721

Like? Yes (1) | No (2)