The Number

421

Four Hundred and Twenty-One

In Base 12 Duodecimal Is

2b112

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

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

Nearby Numbers

Positive, nonzero integers within three units

418
2aa12
Four Hundred and Eightteen in Base 12 Duodecimal
419
2ab12
Four Hundred and Nineteen in Base 12 Duodecimal
420
2b012
Four Hundred and Twenty in Base 12 Duodecimal
422
2b212
Four Hundred and Twenty-Two in Base 12 Duodecimal
423
2b312
Four Hundred and Twenty-Three in Base 12 Duodecimal
424
2b412
Four Hundred and Twenty-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.

4.21e2

Reciprocal

A number multiplied with its reciprocal is one.

0.004130722406a1112

The reciprocal of 421 in Base 12 Duodecimal.

Palindrome?

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

The number 2b112 is not a palindrome.

A Prime Number

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

Four hundred and twenty-one is the 82nd prime number.   See primes in Base 12 Duodecimal

Not A Composite

Composites have more than just these two factors.

Four Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Four Hundred and Twenty-One

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 has the following 1 prime factor:

421
2b112
Four 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

2b1121 = 2b112

Base Conversions

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