The Number

12918

Twelve Thousand Nine Hundred and Eightteen

In Base 21 Unovigesimal Is

186321

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

For more familiar numbers: See Twelve Thousand Nine Hundred and Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12915
186021
Twelve Thousand Nine Hundred and Fifteen in Base 21 Unovigesimal
12916
186121
Twelve Thousand Nine Hundred and Sixteen in Base 21 Unovigesimal
12917
186221
Twelve Thousand Nine Hundred and Seventeen in Base 21 Unovigesimal
12919
186421
Twelve Thousand Nine Hundred and Nineteen in Base 21 Unovigesimal
12920
186521
Twelve Thousand Nine Hundred and Twenty in Base 21 Unovigesimal
12921
186621
Twelve Thousand Nine Hundred and Twenty-One in Base 21 Unovigesimal

Scientific Notation

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

1.2918e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f135f2ge7ci5a21

The reciprocal of 12918 in Base 21 Unovigesimal.

Palindrome?

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

The number 186321 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 nine hundred and eightteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand nine hundred and eightteen is a composite number with 8 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 nine hundred and eightteen has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
2153
4ib21
Two Thousand One Hundred and Fifty-Three in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3211 · 4ib211 = 186321

Base Conversions

The number twelve thousand nine hundred and eightteen in 35 different bases