The Number

129979

One Hundred and Twenty-Nine Thousand Nine Hundred and Seventy-Nine

In Base 21 Unovigesimal Is

e0fa21

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 Seventy-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

129976
e0f721
One Hundred and Twenty-Nine Thousand Nine Hundred and Seventy-Six in Base 21 Unovigesimal
129977
e0f821
One Hundred and Twenty-Nine Thousand Nine Hundred and Seventy-Seven in Base 21 Unovigesimal
129978
e0f921
One Hundred and Twenty-Nine Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
129980
e0fb21
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
129981
e0fc21
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal
129982
e0fd21
One Hundred and Twenty-Nine Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal

Scientific Notation

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

1.29979e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a8hg1dc55e2421

The reciprocal of 129979 in Base 21 Unovigesimal.

Palindrome?

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

The number e0fa21 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 seventy-nine is a composite number with 4 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 seventy-nine is a composite number with 4 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 seventy-nine has the following 2 prime factors:

19
j21
Nineteen in Base 21 Unovigesimal
6841
fag21
Six Thousand Eight Hundred and Forty-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

j211 · fag211 = e0fa21

Base Conversions

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