The Number

12900

Twelve Thousand Nine Hundred

In Base 21 Unovigesimal Is

185621

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

For more familiar numbers: See Twelve Thousand Nine Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12897
185321
Twelve Thousand Eight Hundred and Ninety-Seven in Base 21 Unovigesimal
12898
185421
Twelve Thousand Eight Hundred and Ninety-Eight in Base 21 Unovigesimal
12899
185521
Twelve Thousand Eight Hundred and Ninety-Nine in Base 21 Unovigesimal
12901
185721
Twelve Thousand Nine Hundred and One in Base 21 Unovigesimal
12902
185821
Twelve Thousand Nine Hundred and Two in Base 21 Unovigesimal
12903
185921
Twelve Thousand Nine Hundred and Three in Base 21 Unovigesimal

Scientific Notation

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

1.2900e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f1cb5cd6e42ib21

The reciprocal of 12900 in Base 21 Unovigesimal.

Palindrome?

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

The number 185621 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 nine hundred is a composite number with 36 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand nine hundred is a composite number with 36 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 nine hundred has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
43
2121
Forty-Three in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3211 · 5212 · 21211 = 185621

Base Conversions

The number twelve thousand nine hundred in 35 different bases