The Number

21072

Twenty-One Thousand and Seventy-Two

In Base 18 Octodecimal Is

3b0c18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21069
3b0918
Twenty-One Thousand and Sixty-Nine in Base 18 Octodecimal
21070
3b0a18
Twenty-One Thousand and Seventy in Base 18 Octodecimal
21071
3b0b18
Twenty-One Thousand and Seventy-One in Base 18 Octodecimal
21073
3b0d18
Twenty-One Thousand and Seventy-Three in Base 18 Octodecimal
21074
3b0e18
Twenty-One Thousand and Seventy-Four in Base 18 Octodecimal
21075
3b0f18
Twenty-One Thousand and Seventy-Five in Base 18 Octodecimal

Scientific Notation

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

2.1072e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004hc1chh4cfd7618

The reciprocal of 21072 in Base 18 Octodecimal.

Palindrome?

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

The number 3b0c18 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 and seventy-two is a composite number with 20 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and seventy-two is a composite number with 20 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 and seventy-two has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
439
16718
Four Hundred and Thirty-Nine in Base 18 Octodecimal

Prime Factorization

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

2184 · 3181 · 167181 = 3b0c18

Base Conversions

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