The Number

18220

Eightteen Thousand Two Hundred and Twenty

In Base 21 Unovigesimal Is

1k6d21

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

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

Nearby Numbers

Positive, nonzero integers within three units

18217
1k6a21
Eightteen Thousand Two Hundred and Seventeen in Base 21 Unovigesimal
18218
1k6b21
Eightteen Thousand Two Hundred and Eightteen in Base 21 Unovigesimal
18219
1k6c21
Eightteen Thousand Two Hundred and Nineteen in Base 21 Unovigesimal
18221
1k6e21
Eightteen Thousand Two Hundred and Twenty-One 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

Scientific Notation

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

1.8220e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ae355i9g5gb321

The reciprocal of 18220 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k6d21 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 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.

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

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
911
21821
Nine Hundred and Eleven 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 · 5211 · 218211 = 1k6d21

Base Conversions

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