The Number

22991

Twenty-Two Thousand Nine Hundred and Ninety-One

In Base 21 Unovigesimal Is

2a2h21

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

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

Nearby Numbers

Positive, nonzero integers within three units

22988
2a2e21
Twenty-Two Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
22989
2a2f21
Twenty-Two Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
22990
2a2g21
Twenty-Two Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
22992
2a2i21
Twenty-Two Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
22993
2a2j21
Twenty-Two Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal
22994
2a2k21
Twenty-Two Thousand Nine Hundred and Ninety-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.

2.2991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00089d8hid4eia321

The reciprocal of 22991 in Base 21 Unovigesimal.

Palindrome?

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

The number 2a2h21 is not a palindrome.

Not A Prime Number

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

Twenty-two thousand nine hundred and ninety-one 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.

Twenty-two thousand nine hundred and ninety-one 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 twenty-two thousand nine hundred and ninety-one has the following 2 prime factors:

83
3k21
Eighty-Three in Base 21 Unovigesimal
277
d421
Two Hundred and Seventy-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

3k211 · d4211 = 2a2h21

Base Conversions

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