The Number

421991

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

In Base 12 Duodecimal Is

18425b12

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 Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

421988
18425812
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 12 Duodecimal
421989
18425912
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Nine in Base 12 Duodecimal
421990
18425a12
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety in Base 12 Duodecimal
421992
18426012
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-Two in Base 12 Duodecimal
421993
18426112
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-Three in Base 12 Duodecimal
421994
18426212
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-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.

4.21991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000070ab28a885570512

The reciprocal of 421991 in Base 12 Duodecimal.

Palindrome?

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

The number 18425b12 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 ninety-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 ninety-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 ninety-one has the following 3 prime factors:

17
1512
Seventeen in Base 12 Duodecimal
103
8712
One Hundred and Three in Base 12 Duodecimal
241
18112
Two Hundred and Forty-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

15121 · 87121 · 181121 = 18425b12

Base Conversions

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