The Number

12645

Twelve Thousand Six Hundred and Forty-Five

In Base 15 Quindecimal Is

3b3015

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

For more familiar numbers: See Twelve Thousand Six Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12642
3b2c15
Twelve Thousand Six Hundred and Forty-Two in Base 15 Quindecimal
12643
3b2d15
Twelve Thousand Six Hundred and Forty-Three in Base 15 Quindecimal
12644
3b2e15
Twelve Thousand Six Hundred and Forty-Four in Base 15 Quindecimal
12646
3b3115
Twelve Thousand Six Hundred and Forty-Six in Base 15 Quindecimal
12647
3b3215
Twelve Thousand Six Hundred and Forty-Seven in Base 15 Quindecimal
12648
3b3315
Twelve Thousand Six Hundred and Forty-Eight in Base 15 Quindecimal

Scientific Notation

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

1.2645e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000400c026073169415

The reciprocal of 12645 in Base 15 Quindecimal.

Palindrome?

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

The number 3b3015 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twelve thousand six hundred and forty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Twelve thousand six hundred and forty-five 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 twelve thousand six hundred and forty-five has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
281
13b15
Two Hundred and Eighty-One in Base 15 Quindecimal

Prime Factorization

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

3152 · 5151 · 13b151 = 3b3015

Base Conversions

The number twelve thousand six hundred and forty-five in 35 different bases