The Number

131985

One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Five

In Base 21 Unovigesimal Is

e56021

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

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

Nearby Numbers

Positive, nonzero integers within three units

131982
e55i21
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
131983
e55j21
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
131984
e55k21
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
131986
e56121
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
131987
e56221
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
131988
e56321
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-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.

1.31985e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00019jh37jf13d4521

The reciprocal of 131985 in Base 21 Unovigesimal.

Palindrome?

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

The number e56021 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 nine hundred and eighty-five 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 thirty-one thousand nine hundred and eighty-five 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 thirty-one thousand nine hundred and eighty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
419
jk21
Four Hundred and Nineteen in Base 21 Unovigesimal

Prime Factorization

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

3212 · 5211 · 7211 · jk211 = e56021

Base Conversions

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