The Number

131215

One Hundred and Thirty-One Thousand Two Hundred and Fifteen

In Base 15 Quindecimal Is

28d2a15

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

131212
28d2715
One Hundred and Thirty-One Thousand Two Hundred and Twelve in Base 15 Quindecimal
131213
28d2815
One Hundred and Thirty-One Thousand Two Hundred and Thirteen in Base 15 Quindecimal
131214
28d2915
One Hundred and Thirty-One Thousand Two Hundred and Fourteen in Base 15 Quindecimal
131216
28d2b15
One Hundred and Thirty-One Thousand Two Hundred and Sixteen in Base 15 Quindecimal
131217
28d2c15
One Hundred and Thirty-One Thousand Two Hundred and Seventeen in Base 15 Quindecimal
131218
28d2d15
One Hundred and Thirty-One Thousand Two Hundred and Eightteen in Base 15 Quindecimal

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.

0.00005bc1eda8a9495215

The reciprocal of 131215 in Base 15 Quindecimal.

Palindrome?

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

The number 28d2a15 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 15 Quindecimal

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
515
Five in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
23
1815
Twenty-Three in Base 15 Quindecimal
163
ad15
One Hundred and Sixty-Three in Base 15 Quindecimal

Prime Factorization

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

5151 · 7151 · 18151 · ad151 = 28d2a15

Base Conversions

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