The Number

231515

Two Hundred and Thirty-One Thousand Five Hundred and Fifteen

In Base 21 Unovigesimal Is

13kkb21

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

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

Nearby Numbers

Positive, nonzero integers within three units

231512
13kk821
Two Hundred and Thirty-One Thousand Five Hundred and Twelve in Base 21 Unovigesimal
231513
13kk921
Two Hundred and Thirty-One Thousand Five Hundred and Thirteen in Base 21 Unovigesimal
231514
13kka21
Two Hundred and Thirty-One Thousand Five Hundred and Fourteen in Base 21 Unovigesimal
231516
13kkc21
Two Hundred and Thirty-One Thousand Five Hundred and Sixteen in Base 21 Unovigesimal
231517
13kkd21
Two Hundred and Thirty-One Thousand Five Hundred and Seventeen in Base 21 Unovigesimal
231518
13kke21
Two Hundred and Thirty-One Thousand Five Hundred and Eightteen in Base 21 Unovigesimal

Scientific Notation

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

2.31515e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000hd9c209i98kh21

The reciprocal of 231515 in Base 21 Unovigesimal.

Palindrome?

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

The number 13kkb21 is not a palindrome.

Not A Prime Number

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

Two hundred and thirty-one thousand five hundred and fifteen 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.

Two hundred and thirty-one thousand five hundred and fifteen 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 two hundred and thirty-one thousand five hundred and fifteen has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
2437
5b121
Two Thousand Four Hundred and Thirty-Seven in Base 21 Unovigesimal

Prime Factorization

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

5211 · j211 · 5b1211 = 13kkb21

Base Conversions

The number two hundred and thirty-one thousand five hundred and fifteen in 35 different bases