The Number

18185

Eightteen Thousand One Hundred and Eighty-Five

In Base 21 Unovigesimal Is

1k4k21

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

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

Nearby Numbers

Positive, nonzero integers within three units

18182
1k4h21
Eightteen Thousand One Hundred and Eighty-Two in Base 21 Unovigesimal
18183
1k4i21
Eightteen Thousand One Hundred and Eighty-Three in Base 21 Unovigesimal
18184
1k4j21
Eightteen Thousand One Hundred and Eighty-Four in Base 21 Unovigesimal
18186
1k5021
Eightteen Thousand One Hundred and Eighty-Six in Base 21 Unovigesimal
18187
1k5121
Eightteen Thousand One Hundred and Eighty-Seven in Base 21 Unovigesimal
18188
1k5221
Eightteen Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal

Scientific Notation

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

1.8185e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000aec6b5k0g5f1f21

The reciprocal of 18185 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k4k21 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 one hundred and eighty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand one hundred and eighty-five is a composite number with 4 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 one hundred and eighty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
3637
85421
Three Thousand Six 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

5211 · 854211 = 1k4k21

Base Conversions

The number eightteen thousand one hundred and eighty-five in 35 different bases