The Number

131018

One Hundred and Thirty-One Thousand and Eightteen

In Base 21 Unovigesimal Is

e31k21

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

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

Nearby Numbers

Positive, nonzero integers within three units

131015
e31h21
One Hundred and Thirty-One Thousand and Fifteen in Base 21 Unovigesimal
131016
e31i21
One Hundred and Thirty-One Thousand and Sixteen in Base 21 Unovigesimal
131017
e31j21
One Hundred and Thirty-One Thousand and Seventeen in Base 21 Unovigesimal
131019
e32021
One Hundred and Thirty-One Thousand and Nineteen in Base 21 Unovigesimal
131020
e32121
One Hundred and Thirty-One Thousand and Twenty in Base 21 Unovigesimal
131021
e32221
One Hundred and Thirty-One Thousand and Twenty-One in Base 21 Unovigesimal

Scientific Notation

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

1.31018e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a3ci99fi7kgf21

The reciprocal of 131018 in Base 21 Unovigesimal.

Palindrome?

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

The number e31k21 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 eightteen is a composite number with 8 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 eightteen is a composite number with 8 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 eightteen has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
109
5421
One Hundred and Nine in Base 21 Unovigesimal
601
17d21
Six 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

2211 · 54211 · 17d211 = e31k21

Base Conversions

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