The Number

12513

Twelve Thousand Five Hundred and Thirteen

In Base 21 Unovigesimal Is

177i21

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

For more familiar numbers: See Twelve Thousand Five Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12510
177f21
Twelve Thousand Five Hundred and Ten in Base 21 Unovigesimal
12511
177g21
Twelve Thousand Five Hundred and Eleven in Base 21 Unovigesimal
12512
177h21
Twelve Thousand Five Hundred and Twelve in Base 21 Unovigesimal
12514
177j21
Twelve Thousand Five Hundred and Fourteen in Base 21 Unovigesimal
12515
177k21
Twelve Thousand Five Hundred and Fifteen in Base 21 Unovigesimal
12516
178021
Twelve Thousand Five Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

1.2513e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000fb83835jdg3d21

The reciprocal of 12513 in Base 21 Unovigesimal.

Palindrome?

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

The number 177i21 is not a palindrome.

Not A Prime Number

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

Twelve thousand five hundred and thirteen 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.

Twelve thousand five hundred and thirteen 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 twelve thousand five hundred and thirteen has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
43
2121
Forty-Three in Base 21 Unovigesimal
97
4d21
Ninety-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

3211 · 21211 · 4d211 = 177i21

Base Conversions

The number twelve thousand five hundred and thirteen in 35 different bases