The Number

13221

Thirteen Thousand Two Hundred and Twenty-One

In Base 21 Unovigesimal Is

18kc21

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

For more familiar numbers: See Thirteen Thousand Two Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

13218
18k921
Thirteen Thousand Two Hundred and Eightteen in Base 21 Unovigesimal
13219
18ka21
Thirteen Thousand Two Hundred and Nineteen in Base 21 Unovigesimal
13220
18kb21
Thirteen Thousand Two Hundred and Twenty in Base 21 Unovigesimal
13222
18kd21
Thirteen Thousand Two Hundred and Twenty-Two in Base 21 Unovigesimal
13223
18ke21
Thirteen Thousand Two Hundred and Twenty-Three in Base 21 Unovigesimal
13224
18kf21
Thirteen Thousand Two Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

1.3221e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000eej27haffh6i21

The reciprocal of 13221 in Base 21 Unovigesimal.

Palindrome?

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

The number 18kc21 is not a palindrome.

Not A Prime Number

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

Thirteen thousand two hundred and twenty-one 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.

Thirteen thousand two hundred and twenty-one 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 thirteen thousand two hundred and twenty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
113
5821
One Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

3212 · d211 · 58211 = 18kc21

Base Conversions

The number thirteen thousand two hundred and twenty-one in 35 different bases