The Number

21085

Twenty-One Thousand and Eighty-Five

In Base 12 Duodecimal Is

1025112

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

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

Nearby Numbers

Positive, nonzero integers within three units

21082
1024a12
Twenty-One Thousand and Eighty-Two in Base 12 Duodecimal
21083
1024b12
Twenty-One Thousand and Eighty-Three in Base 12 Duodecimal
21084
1025012
Twenty-One Thousand and Eighty-Four in Base 12 Duodecimal
21086
1025212
Twenty-One Thousand and Eighty-Six in Base 12 Duodecimal
21087
1025312
Twenty-One Thousand and Eighty-Seven in Base 12 Duodecimal
21088
1025412
Twenty-One Thousand and Eighty-Eight in Base 12 Duodecimal

Scientific Notation

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

2.1085e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b97493a0b3a68212

The reciprocal of 21085 in Base 12 Duodecimal.

Palindrome?

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

The number 1025112 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 eighty-five is a composite number with 4 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 and eighty-five is a composite number with 4 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 eighty-five has the following 2 prime factors:

5
512
Five in Base 12 Duodecimal
4217
253512
Four Thousand Two Hundred and Seventeen in Base 12 Duodecimal

Prime Factorization

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

5121 · 2535121 = 1025112

Base Conversions

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