The Number

21970

Twenty-One Thousand Nine Hundred and Seventy

In Base 12 Duodecimal Is

1086a12

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21967
1086712
Twenty-One Thousand Nine Hundred and Sixty-Seven in Base 12 Duodecimal
21968
1086812
Twenty-One Thousand Nine Hundred and Sixty-Eight in Base 12 Duodecimal
21969
1086912
Twenty-One Thousand Nine Hundred and Sixty-Nine in Base 12 Duodecimal
21971
1086b12
Twenty-One Thousand Nine Hundred and Seventy-One in Base 12 Duodecimal
21972
1087012
Twenty-One Thousand Nine Hundred and Seventy-Two in Base 12 Duodecimal
21973
1087112
Twenty-One Thousand Nine Hundred and Seventy-Three in Base 12 Duodecimal

Scientific Notation

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

2.1970e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b3ab388a725a99512

The reciprocal of 21970 in Base 12 Duodecimal.

Palindrome?

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

The number 1086a12 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 seventy is a composite number with 16 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and seventy is a composite number with 16 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 seventy has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
13
1112
Thirteen in Base 12 Duodecimal

Prime Factorization

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

2121 · 5121 · 11123 = 1086a12

Base Conversions

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