The Number

180990

One Hundred and Eighty Thousand Nine Hundred and Ninety

In Base 21 Unovigesimal Is

jb8c21

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

For more familiar numbers: See One Hundred and Eighty Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

180987
jb8921
One Hundred and Eighty Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
180988
jb8a21
One Hundred and Eighty Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
180989
jb8b21
One Hundred and Eighty Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
180991
jb8d21
One Hundred and Eighty Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
180992
jb8e21
One Hundred and Eighty Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
180993
jb8f21
One Hundred and Eighty Thousand Nine Hundred and Ninety-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.

1.80990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00011bi6d04c548a21

The reciprocal of 180990 in Base 21 Unovigesimal.

Palindrome?

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

The number jb8c21 is not a palindrome.

Not A Prime Number

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

One hundred and eighty thousand nine hundred and ninety is a composite number with 24 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and eighty thousand nine hundred and ninety is a composite number with 24 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 one hundred and eighty thousand nine hundred and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
2011
4bg21
Two Thousand 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

2211 · 3212 · 5211 · 4bg211 = jb8c21

Base Conversions

The number one hundred and eighty thousand nine hundred and ninety in 35 different bases