The Number

129745

One Hundred and Twenty-Nine Thousand Seven Hundred and Forty-Five

In Base 21 Unovigesimal Is

e04721

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

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

Nearby Numbers

Positive, nonzero integers within three units

129742
e04421
One Hundred and Twenty-Nine Thousand Seven Hundred and Forty-Two in Base 21 Unovigesimal
129743
e04521
One Hundred and Twenty-Nine Thousand Seven Hundred and Forty-Three in Base 21 Unovigesimal
129744
e04621
One Hundred and Twenty-Nine Thousand Seven Hundred and Forty-Four in Base 21 Unovigesimal
129746
e04821
One Hundred and Twenty-Nine Thousand Seven Hundred and Forty-Six in Base 21 Unovigesimal
129747
e04921
One Hundred and Twenty-Nine Thousand Seven Hundred and Forty-Seven in Base 21 Unovigesimal
129748
e04a21
One Hundred and Twenty-Nine Thousand Seven Hundred and Forty-Eight in Base 21 Unovigesimal

Scientific Notation

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

1.29745e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001aa0fig1eakad21

The reciprocal of 129745 in Base 21 Unovigesimal.

Palindrome?

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

The number e04721 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 seven hundred and forty-five 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 seven hundred and forty-five 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 seven hundred and forty-five has the following 4 prime factors:

5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
337
g121
Three Hundred and Thirty-Seven in Base 21 Unovigesimal

Prime Factorization

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

5211 · 7211 · b211 · g1211 = e04721

Base Conversions

The number one hundred and twenty-nine thousand seven hundred and forty-five in 35 different bases