The Number

131661

One Hundred and Thirty-One Thousand Six Hundred and Sixty-One

In Base 21 Unovigesimal Is

e4bc21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See One Hundred and Thirty-One Thousand Six Hundred and Sixty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

131658
e4b921
One Hundred and Thirty-One Thousand Six Hundred and Fifty-Eight in Base 21 Unovigesimal
131659
e4ba21
One Hundred and Thirty-One Thousand Six Hundred and Fifty-Nine in Base 21 Unovigesimal
131660
e4bb21
One Hundred and Thirty-One Thousand Six Hundred and Sixty in Base 21 Unovigesimal
131662
e4bd21
One Hundred and Thirty-One Thousand Six Hundred and Sixty-Two in Base 21 Unovigesimal
131663
e4be21
One Hundred and Thirty-One Thousand Six Hundred and Sixty-Three in Base 21 Unovigesimal
131664
e4bf21
One Hundred and Thirty-One Thousand Six Hundred and Sixty-Four in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.31661e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a08fc6fb46dd21

The reciprocal of 131661 in Base 21 Unovigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number e4bc21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and thirty-one thousand six hundred and sixty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-one thousand six hundred and sixty-one is a composite number with 6 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one hundred and thirty-one thousand six hundred and sixty-one has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
14629
1c3d21
Fourteen Thousand Six Hundred and Twenty-Nine in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3212 · 1c3d211 = e4bc21

Base Conversions

The number one hundred and thirty-one thousand six hundred and sixty-one in 35 different bases