The Number

21180

Twenty-One Thousand One Hundred and Eighty

In Base 12 Duodecimal Is

1031012

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

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

Nearby Numbers

Positive, nonzero integers within three units

21177
1030912
Twenty-One Thousand One Hundred and Seventy-Seven in Base 12 Duodecimal
21178
1030a12
Twenty-One Thousand One Hundred and Seventy-Eight in Base 12 Duodecimal
21179
1030b12
Twenty-One Thousand One Hundred and Seventy-Nine in Base 12 Duodecimal
21181
1031112
Twenty-One Thousand One Hundred and Eighty-One in Base 12 Duodecimal
21182
1031212
Twenty-One Thousand One Hundred and Eighty-Two in Base 12 Duodecimal
21183
1031312
Twenty-One Thousand One Hundred and Eighty-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.

2.1180e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b8b938374a2078112

The reciprocal of 21180 in Base 12 Duodecimal.

Palindrome?

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

The number 1031012 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 one hundred and eighty is a composite number with 24 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 one hundred and eighty 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 one hundred and eighty has the following 4 prime factors:

2
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
353
25512
Three Hundred and Fifty-Three in Base 12 Duodecimal

Prime Factorization

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

2122 · 3121 · 5121 · 255121 = 1031012

Base Conversions

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