The Number

21372

Twenty-One Thousand Three Hundred and Seventy-Two

In Base 8 Octal Is

515748

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21369
515718
Twenty-One Thousand Three Hundred and Sixty-Nine in Base 8 Octal
21370
515728
Twenty-One Thousand Three Hundred and Seventy in Base 8 Octal
21371
515738
Twenty-One Thousand Three Hundred and Seventy-One in Base 8 Octal
21373
515758
Twenty-One Thousand Three Hundred and Seventy-Three in Base 8 Octal
21374
515768
Twenty-One Thousand Three Hundred and Seventy-Four in Base 8 Octal
21375
515778
Twenty-One Thousand Three Hundred and Seventy-Five in Base 8 Octal

Scientific Notation

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

2.1372e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001421004544056302428

The reciprocal of 21372 in Base 8 Octal.

Palindrome?

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

The number 515748 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 three hundred and seventy-two is a composite number with 24 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Twenty-one thousand three hundred and seventy-two 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 twenty-one thousand three hundred and seventy-two has the following 4 prime factors:

2
28
Two in Base 8 Octal
3
38
Three in Base 8 Octal
13
158
Thirteen in Base 8 Octal
137
2118
One Hundred and Thirty-Seven in Base 8 Octal

Prime Factorization

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

282 · 381 · 1581 · 21181 = 515748

Base Conversions

The number twenty-one thousand three hundred and seventy-two in 35 different bases