The Number

21131

Twenty-One Thousand One Hundred and Thirty-One

In Base 21 Unovigesimal Is

25j521

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

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

Nearby Numbers

Positive, nonzero integers within three units

21128
25j221
Twenty-One Thousand One Hundred and Twenty-Eight in Base 21 Unovigesimal
21129
25j321
Twenty-One Thousand One Hundred and Twenty-Nine in Base 21 Unovigesimal
21130
25j421
Twenty-One Thousand One Hundred and Thirty in Base 21 Unovigesimal
21132
25j621
Twenty-One Thousand One Hundred and Thirty-Two in Base 21 Unovigesimal
21133
25j721
Twenty-One Thousand One Hundred and Thirty-Three in Base 21 Unovigesimal
21134
25j821
Twenty-One Thousand One Hundred and Thirty-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.

2.1131e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000945g8h9i5i0cd21

The reciprocal of 21131 in Base 21 Unovigesimal.

Palindrome?

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

The number 25j521 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and thirty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and thirty-one is a composite number with 8 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 twenty-one thousand one hundred and thirty-one has the following 3 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
113
5821
One Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

b211 · h211 · 58211 = 25j521

Base Conversions

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