The Number

131005

One Hundred and Thirty-One Thousand and Five

In Base 21 Unovigesimal Is

e31721

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

For more familiar numbers: See One Hundred and Thirty-One Thousand and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

131002
e31421
One Hundred and Thirty-One Thousand and Two in Base 21 Unovigesimal
131003
e31521
One Hundred and Thirty-One Thousand and Three in Base 21 Unovigesimal
131004
e31621
One Hundred and Thirty-One Thousand and Four in Base 21 Unovigesimal
131006
e31821
One Hundred and Thirty-One Thousand and Six in Base 21 Unovigesimal
131007
e31921
One Hundred and Thirty-One Thousand and Seven in Base 21 Unovigesimal
131008
e31a21
One Hundred and Thirty-One Thousand and 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.

1.31005e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a3e5211c15c421

The reciprocal of 131005 in Base 21 Unovigesimal.

Palindrome?

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

The number e31721 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 thirty-one thousand and 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 thirty-one thousand and 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 thirty-one thousand and five has the following 4 prime factors:

5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
197
9821
One Hundred and Ninety-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 · j211 · 98211 = e31721

Base Conversions

The number one hundred and thirty-one thousand and five in 35 different bases