The Number

131721

One Hundred and Thirty-One Thousand Seven Hundred and Twenty-One

In Base 8 Octal Is

4012118

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

131718
4012068
One Hundred and Thirty-One Thousand Seven Hundred and Eightteen in Base 8 Octal
131719
4012078
One Hundred and Thirty-One Thousand Seven Hundred and Nineteen in Base 8 Octal
131720
4012108
One Hundred and Thirty-One Thousand Seven Hundred and Twenty in Base 8 Octal
131722
4012128
One Hundred and Thirty-One Thousand Seven Hundred and Twenty-Two in Base 8 Octal
131723
4012138
One Hundred and Thirty-One Thousand Seven Hundred and Twenty-Three in Base 8 Octal
131724
4012148
One Hundred and Thirty-One Thousand Seven Hundred and Twenty-Four in Base 8 Octal

Scientific Notation

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

1.31721e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000001772750624655526568

The reciprocal of 131721 in Base 8 Octal.

Palindrome?

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

The number 4012118 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 seven hundred and twenty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

One hundred and thirty-one thousand seven hundred and twenty-one is a composite number with 12 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 seven hundred and twenty-one has the following 3 prime factors:

3
38
Three in Base 8 Octal
23
278
Twenty-Three in Base 8 Octal
83
1238
Eighty-Three in Base 8 Octal

Prime Factorization

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

381 · 2782 · 12381 = 4012118

Base Conversions

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