The Number

21951

Twenty-One Thousand Nine Hundred and Fifty-One

In Base 9 Nonary Is

331009

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21948
330869
Twenty-One Thousand Nine Hundred and Forty-Eight in Base 9 Nonary
21949
330879
Twenty-One Thousand Nine Hundred and Forty-Nine in Base 9 Nonary
21950
330889
Twenty-One Thousand Nine Hundred and Fifty in Base 9 Nonary
21952
331019
Twenty-One Thousand Nine Hundred and Fifty-Two in Base 9 Nonary
21953
331029
Twenty-One Thousand Nine Hundred and Fifty-Three in Base 9 Nonary
21954
331039
Twenty-One Thousand Nine Hundred and Fifty-Four in Base 9 Nonary

Scientific Notation

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

2.1951e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002618028808328002649

The reciprocal of 21951 in Base 9 Nonary.

Palindrome?

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

The number 331009 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand nine hundred and fifty-one is a composite number with 10 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and fifty-one is a composite number with 10 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-one thousand nine hundred and fifty-one has the following 2 prime factors:

3
39
Three in Base 9 Nonary
271
3319
Two Hundred and Seventy-One in Base 9 Nonary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

394 · 33191 = 331009

Base Conversions

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