The Number

129906

One Hundred and Twenty-Nine Thousand Nine Hundred and Six

In Base 21 Unovigesimal Is

e0c021

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 Six in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

129903
e0bi21
One Hundred and Twenty-Nine Thousand Nine Hundred and Three in Base 21 Unovigesimal
129904
e0bj21
One Hundred and Twenty-Nine Thousand Nine Hundred and Four in Base 21 Unovigesimal
129905
e0bk21
One Hundred and Twenty-Nine Thousand Nine Hundred and Five in Base 21 Unovigesimal
129907
e0c121
One Hundred and Twenty-Nine Thousand Nine Hundred and Seven in Base 21 Unovigesimal
129908
e0c221
One Hundred and Twenty-Nine Thousand Nine Hundred and Eight in Base 21 Unovigesimal
129909
e0c321
One Hundred and Twenty-Nine Thousand Nine Hundred and Nine in Base 21 Unovigesimal

Scientific Notation

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

1.29906e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a94bccbef9i621

The reciprocal of 129906 in Base 21 Unovigesimal.

Palindrome?

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

The number e0c021 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 six is a composite number with 24 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 six is a composite number with 24 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 six has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
1031
27221
One Thousand and Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3212 · 7211 · 272211 = e0c021

Base Conversions

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