The Number

12643

Twelve Thousand Six Hundred and Forty-Three

In Base 15 Quindecimal Is

3b2d15

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

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

Nearby Numbers

Positive, nonzero integers within three units

12640
3b2a15
Twelve Thousand Six Hundred and Forty in Base 15 Quindecimal
12641
3b2b15
Twelve Thousand Six Hundred and Forty-One in Base 15 Quindecimal
12642
3b2c15
Twelve Thousand Six Hundred and Forty-Two in Base 15 Quindecimal
12644
3b2e15
Twelve Thousand Six Hundred and Forty-Four in Base 15 Quindecimal
12645
3b3015
Twelve Thousand Six Hundred and Forty-Five in Base 15 Quindecimal
12646
3b3115
Twelve Thousand Six Hundred and Forty-Six in Base 15 Quindecimal

Scientific Notation

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

1.2643e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000400e234ecb972315

The reciprocal of 12643 in Base 15 Quindecimal.

Palindrome?

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

The number 3b2d15 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-three 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.

Twelve thousand six hundred and forty-three 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 twelve thousand six hundred and forty-three has the following 2 prime factors:

47
3215
Forty-Seven in Base 15 Quindecimal
269
12e15
Two Hundred and Sixty-Nine in Base 15 Quindecimal

Prime Factorization

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

32151 · 12e151 = 3b2d15

Base Conversions

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