The Number

131918

One Hundred and Thirty-One Thousand Nine Hundred and Eightteen

In Base 21 Unovigesimal Is

e52h21

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 Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

131915
e52e21
One Hundred and Thirty-One Thousand Nine Hundred and Fifteen in Base 21 Unovigesimal
131916
e52f21
One Hundred and Thirty-One Thousand Nine Hundred and Sixteen in Base 21 Unovigesimal
131917
e52g21
One Hundred and Thirty-One Thousand Nine Hundred and Seventeen in Base 21 Unovigesimal
131919
e52i21
One Hundred and Thirty-One Thousand Nine Hundred and Nineteen in Base 21 Unovigesimal
131920
e52j21
One Hundred and Thirty-One Thousand Nine Hundred and Twenty in Base 21 Unovigesimal
131921
e52k21
One Hundred and Thirty-One Thousand Nine Hundred 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.

1.31918e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00019k31j8b739a21

The reciprocal of 131918 in Base 21 Unovigesimal.

Palindrome?

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

The number e52h21 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 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 nine hundred 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 nine hundred and eightteen has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
71
3821
Seventy-One in Base 21 Unovigesimal
929
22521
Nine Hundred and Twenty-Nine 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 · 38211 · 225211 = e52h21

Base Conversions

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