The Number

131905

One Hundred and Thirty-One Thousand Nine Hundred and Five

In Base 18 Octodecimal Is

14b2118

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

131902
14b1g18
One Hundred and Thirty-One Thousand Nine Hundred and Two in Base 18 Octodecimal
131903
14b1h18
One Hundred and Thirty-One Thousand Nine Hundred and Three in Base 18 Octodecimal
131904
14b2018
One Hundred and Thirty-One Thousand Nine Hundred and Four in Base 18 Octodecimal
131906
14b2218
One Hundred and Thirty-One Thousand Nine Hundred and Six in Base 18 Octodecimal
131907
14b2318
One Hundred and Thirty-One Thousand Nine Hundred and Seven in Base 18 Octodecimal
131908
14b2418
One Hundred and Thirty-One Thousand Nine Hundred and Eight in Base 18 Octodecimal

Scientific Notation

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

1.31905e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000e5f6c345hd56e18

The reciprocal of 131905 in Base 18 Octodecimal.

Palindrome?

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

The number 14b2118 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 five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-one thousand nine hundred 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 nine hundred and five has the following 4 prime factors:

5
518
Five in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
31
1d18
Thirty-One in Base 18 Octodecimal
37
2118
Thirty-Seven in Base 18 Octodecimal

Prime Factorization

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

5181 · 15181 · 1d181 · 21181 = 14b2118

Base Conversions

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