The Number

12644

Twelve Thousand Six Hundred and Forty-Four

In Base 21 Unovigesimal Is

17e221

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12641
17dk21
Twelve Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
12642
17e021
Twelve Thousand Six Hundred and Forty-Two in Base 21 Unovigesimal
12643
17e121
Twelve Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal
12645
17e321
Twelve Thousand Six Hundred and Forty-Five in Base 21 Unovigesimal
12646
17e421
Twelve Thousand Six Hundred and Forty-Six in Base 21 Unovigesimal
12647
17e521
Twelve Thousand Six Hundred and Forty-Seven in Base 21 Unovigesimal

Scientific Notation

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

1.2644e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f80323jd35e421

The reciprocal of 12644 in Base 21 Unovigesimal.

Palindrome?

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

The number 17e221 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-four is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

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

2
221
Two in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
109
5421
One Hundred and Nine in Base 21 Unovigesimal

Prime Factorization

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

2212 · 18211 · 54211 = 17e221

Base Conversions

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