The Number

268990

Two Hundred and Sixty-Eight Thousand Nine Hundred and Ninety

In Base 21 Unovigesimal Is

180k121

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

For more familiar numbers: See Two Hundred and Sixty-Eight Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

268987
180jj21
Two Hundred and Sixty-Eight Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
268988
180jk21
Two Hundred and Sixty-Eight Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
268989
180k021
Two Hundred and Sixty-Eight Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
268991
180k221
Two Hundred and Sixty-Eight Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
268992
180k321
Two Hundred and Sixty-Eight Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
268993
180k421
Two Hundred and Sixty-Eight 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.

2.68990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f3hfdedj249921

The reciprocal of 268990 in Base 21 Unovigesimal.

Palindrome?

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

The number 180k121 is not a palindrome.

Not A Prime Number

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

Two hundred and sixty-eight thousand nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and sixty-eight thousand nine hundred and ninety is a composite number with 16 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 two hundred and sixty-eight thousand nine hundred and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
727
1dd21
Seven Hundred and Twenty-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

2211 · 5211 · 1g211 · 1dd211 = 180k121

Base Conversions

The number two hundred and sixty-eight thousand nine hundred and ninety in 35 different bases