The Number

131209

One Hundred and Thirty-One Thousand Two Hundred and Nine

In Base 15 Quindecimal Is

28d2415

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 Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

131206
28d2115
One Hundred and Thirty-One Thousand Two Hundred and Six in Base 15 Quindecimal
131207
28d2215
One Hundred and Thirty-One Thousand Two Hundred and Seven in Base 15 Quindecimal
131208
28d2315
One Hundred and Thirty-One Thousand Two Hundred and Eight in Base 15 Quindecimal
131210
28d2515
One Hundred and Thirty-One Thousand Two Hundred and Ten in Base 15 Quindecimal
131211
28d2615
One Hundred and Thirty-One Thousand Two Hundred and Eleven in Base 15 Quindecimal
131212
28d2715
One Hundred and Thirty-One Thousand Two Hundred and Twelve in Base 15 Quindecimal

Scientific Notation

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

1.31209e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005bc2d4a06ac71415

The reciprocal of 131209 in Base 15 Quindecimal.

Palindrome?

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

The number 28d2415 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 nine is a composite number with 4 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 nine is a composite number with 4 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 nine has the following 2 prime factors:

13
d15
Thirteen in Base 15 Quindecimal
10093
2ecd15
Ten Thousand and Ninety-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

d151 · 2ecd151 = 28d2415

Base Conversions

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