The Number

18221

Eightteen Thousand Two Hundred and Twenty-One

In Base 21 Unovigesimal Is

1k6e21

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

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

Nearby Numbers

Positive, nonzero integers within three units

18218
1k6b21
Eightteen Thousand Two Hundred and Eightteen in Base 21 Unovigesimal
18219
1k6c21
Eightteen Thousand Two Hundred and Nineteen in Base 21 Unovigesimal
18220
1k6d21
Eightteen Thousand Two Hundred and Twenty in Base 21 Unovigesimal
18222
1k6f21
Eightteen Thousand Two Hundred and Twenty-Two in Base 21 Unovigesimal
18223
1k6g21
Eightteen Thousand Two Hundred and Twenty-Three in Base 21 Unovigesimal
18224
1k6h21
Eightteen 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.

1.8221e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ae2khjk30i65g21

The reciprocal of 18221 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k6e21 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 twenty-one 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 twenty-one 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 twenty-one has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
137
6b21
One Hundred and Thirty-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

7211 · j211 · 6b211 = 1k6e21

Base Conversions

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