The Number

421981

Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-One

In Base 12 Duodecimal Is

18425112

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

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

Nearby Numbers

Positive, nonzero integers within three units

421978
18424a12
Four Hundred and Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 12 Duodecimal
421979
18424b12
Four Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 12 Duodecimal
421980
18425012
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 12 Duodecimal
421982
18425212
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 12 Duodecimal
421983
18425312
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 12 Duodecimal
421984
18425412
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 12 Duodecimal

Scientific Notation

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

4.21981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000070ab6275157343912

The reciprocal of 421981 in Base 12 Duodecimal.

Palindrome?

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

The number 18425112 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Four hundred and twenty-one thousand nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand nine hundred and eighty-one is a composite number with 8 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 four hundred and twenty-one thousand nine hundred and eighty-one has the following 3 prime factors:

7
712
Seven in Base 12 Duodecimal
23
1b12
Twenty-Three in Base 12 Duodecimal
2621
162512
Two Thousand Six Hundred and Twenty-One in Base 12 Duodecimal

Prime Factorization

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

7121 · 1b121 · 1625121 = 18425112

Base Conversions

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