The Number

21258

Twenty-One Thousand Two Hundred and Fifty-Eight

In Base 9 Nonary Is

321409

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

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

Nearby Numbers

Positive, nonzero integers within three units

21255
321369
Twenty-One Thousand Two Hundred and Fifty-Five in Base 9 Nonary
21256
321379
Twenty-One Thousand Two Hundred and Fifty-Six in Base 9 Nonary
21257
321389
Twenty-One Thousand Two Hundred and Fifty-Seven in Base 9 Nonary
21259
321419
Twenty-One Thousand Two Hundred and Fifty-Nine in Base 9 Nonary
21260
321429
Twenty-One Thousand Two Hundred and Sixty in Base 9 Nonary
21261
321439
Twenty-One Thousand Two Hundred and Sixty-One in Base 9 Nonary

Scientific Notation

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

2.1258e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000268886200026888619

The reciprocal of 21258 in Base 9 Nonary.

Palindrome?

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

The number 321409 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 two hundred and fifty-eight is a composite number with 12 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 two hundred and fifty-eight is a composite number with 12 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 two hundred and fifty-eight has the following 3 prime factors:

2
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary
1181
15529
One Thousand One Hundred and Eighty-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

291 · 392 · 155291 = 321409

Base Conversions

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