The Number

129381

One Hundred and Twenty-Nine Thousand Three Hundred and Eighty-One

In Base 21 Unovigesimal Is

dk8021

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

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

Nearby Numbers

Positive, nonzero integers within three units

129378
dk7i21
One Hundred and Twenty-Nine Thousand Three Hundred and Seventy-Eight in Base 21 Unovigesimal
129379
dk7j21
One Hundred and Twenty-Nine Thousand Three Hundred and Seventy-Nine in Base 21 Unovigesimal
129380
dk7k21
One Hundred and Twenty-Nine Thousand Three Hundred and Eighty in Base 21 Unovigesimal
129382
dk8121
One Hundred and Twenty-Nine Thousand Three Hundred and Eighty-Two in Base 21 Unovigesimal
129383
dk8221
One Hundred and Twenty-Nine Thousand Three Hundred and Eighty-Three in Base 21 Unovigesimal
129384
dk8321
One Hundred and Twenty-Nine Thousand Three Hundred and Eighty-Four in Base 21 Unovigesimal

Scientific Notation

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

1.29381e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001abih0k6ii8b221

The reciprocal of 129381 in Base 21 Unovigesimal.

Palindrome?

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

The number dk8021 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 three hundred and eighty-one 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 three hundred and eighty-one 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 three hundred and eighty-one has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
61
2j21
Sixty-One in Base 21 Unovigesimal
101
4h21
One Hundred and 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

3211 · 7211 · 2j211 · 4h211 = dk8021

Base Conversions

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