The Number

18213

Eightteen Thousand Two Hundred and Thirteen

In Base 21 Unovigesimal Is

1k6621

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

For more familiar numbers: See Eightteen Thousand Two Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18210
1k6321
Eightteen Thousand Two Hundred and Ten in Base 21 Unovigesimal
18211
1k6421
Eightteen Thousand Two Hundred and Eleven in Base 21 Unovigesimal
18212
1k6521
Eightteen Thousand Two Hundred and Twelve in Base 21 Unovigesimal
18214
1k6721
Eightteen Thousand Two Hundred and Fourteen in Base 21 Unovigesimal
18215
1k6821
Eightteen Thousand Two Hundred and Fifteen in Base 21 Unovigesimal
18216
1k6921
Eightteen Thousand Two Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

1.8213e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ae515f7e0j6fe21

The reciprocal of 18213 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k6621 is not a palindrome.

Not A Prime Number

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

Eightteen thousand two hundred and thirteen 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.

Eightteen thousand two hundred and thirteen 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 eightteen thousand two hundred and thirteen has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
467
11521
Four Hundred and Sixty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · d211 · 115211 = 1k6621

Base Conversions

The number eightteen thousand two hundred and thirteen in 35 different bases