The Number

129928

One Hundred and Twenty-Nine Thousand Nine Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

e0d121

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

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

Nearby Numbers

Positive, nonzero integers within three units

129925
e0cj21
One Hundred and Twenty-Nine Thousand Nine Hundred and Twenty-Five in Base 21 Unovigesimal
129926
e0ck21
One Hundred and Twenty-Nine Thousand Nine Hundred and Twenty-Six in Base 21 Unovigesimal
129927
e0d021
One Hundred and Twenty-Nine Thousand Nine Hundred and Twenty-Seven in Base 21 Unovigesimal
129929
e0d221
One Hundred and Twenty-Nine Thousand Nine Hundred and Twenty-Nine in Base 21 Unovigesimal
129930
e0d321
One Hundred and Twenty-Nine Thousand Nine Hundred and Thirty in Base 21 Unovigesimal
129931
e0d421
One Hundred and Twenty-Nine Thousand Nine Hundred and Thirty-One in Base 21 Unovigesimal

Scientific Notation

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

1.29928e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a924667734ha21

The reciprocal of 129928 in Base 21 Unovigesimal.

Palindrome?

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

The number e0d121 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 twenty-nine thousand nine hundred and twenty-eight is a composite number with 16 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 twenty-nine thousand nine hundred and twenty-eight is a composite number with 16 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 twenty-nine thousand nine hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
109
5421
One Hundred and Nine in Base 21 Unovigesimal
149
7221
One Hundred and Forty-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

2213 · 54211 · 72211 = e0d121

Base Conversions

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