The Number

421205

Four Hundred and Twenty-One Thousand Two Hundred and Five

In Base 12 Duodecimal Is

18390512

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

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

Nearby Numbers

Positive, nonzero integers within three units

421202
18390212
Four Hundred and Twenty-One Thousand Two Hundred and Two in Base 12 Duodecimal
421203
18390312
Four Hundred and Twenty-One Thousand Two Hundred and Three in Base 12 Duodecimal
421204
18390412
Four Hundred and Twenty-One Thousand Two Hundred and Four in Base 12 Duodecimal
421206
18390612
Four Hundred and Twenty-One Thousand Two Hundred and Six in Base 12 Duodecimal
421207
18390712
Four Hundred and Twenty-One Thousand Two Hundred and Seven in Base 12 Duodecimal
421208
18390812
Four Hundred and Twenty-One Thousand Two Hundred and 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.

4.21205e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000710a066448a663512

The reciprocal of 421205 in Base 12 Duodecimal.

Palindrome?

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

The number 18390512 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 two hundred and five 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 two hundred and five 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 two hundred and five has the following 3 prime factors:

5
512
Five in Base 12 Duodecimal
61
5112
Sixty-One in Base 12 Duodecimal
1381
97112
One Thousand Three Hundred and Eighty-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

5121 · 51121 · 971121 = 18390512

Base Conversions

The number four hundred and twenty-one thousand two hundred and five in 35 different bases