The Number

21378

Twenty-One Thousand Three Hundred and Seventy-Eight

In Base 12 Duodecimal Is

1045612

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

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

Nearby Numbers

Positive, nonzero integers within three units

21375
1045312
Twenty-One Thousand Three Hundred and Seventy-Five in Base 12 Duodecimal
21376
1045412
Twenty-One Thousand Three Hundred and Seventy-Six in Base 12 Duodecimal
21377
1045512
Twenty-One Thousand Three Hundred and Seventy-Seven in Base 12 Duodecimal
21379
1045712
Twenty-One Thousand Three Hundred and Seventy-Nine in Base 12 Duodecimal
21380
1045812
Twenty-One Thousand Three Hundred and Eighty in Base 12 Duodecimal
21381
1045912
Twenty-One Thousand Three Hundred and Eighty-One in Base 12 Duodecimal

Scientific Notation

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

2.1378e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b7813436431ba7812

The reciprocal of 21378 in Base 12 Duodecimal.

Palindrome?

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

The number 1045612 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-eight 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 three hundred and seventy-eight 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 three hundred and seventy-eight has the following 4 prime factors:

2
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
509
36512
Five Hundred and Nine 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 · 3121 · 7121 · 365121 = 1045612

Base Conversions

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