The Number

131215

One Hundred and Thirty-One Thousand Two Hundred and Fifteen

Nearby Numbers

Positive, nonzero integers within three units

131212
One Hundred and Thirty-One Thousand Two Hundred and Twelve
131213
One Hundred and Thirty-One Thousand Two Hundred and Thirteen
131214
One Hundred and Thirty-One Thousand Two Hundred and Fourteen
131216
One Hundred and Thirty-One Thousand Two Hundred and Sixteen
131217
One Hundred and Thirty-One Thousand Two Hundred and Seventeen
131218
One Hundred and Thirty-One Thousand Two Hundred and Eightteen

Scientific Notation

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

1.31215e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007621079907022825

The reciprocal of 131215.

Palindrome?

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

The number 131215 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 two hundred and fifteen is a composite number with 16 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-one thousand two hundred and fifteen 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 two hundred and fifteen has the following 4 prime factors:

5
Five
7
Seven
23
Twenty-Three
163
One Hundred and Sixty-Three

Prime Factorization

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

51 · 71 · 231 · 1631 = 131215

Base Conversions

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