The Number

421428

Four Hundred and Twenty-One Thousand Four Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

23ad021

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

421425
23aci21
Four Hundred and Twenty-One Thousand Four Hundred and Twenty-Five in Base 21 Unovigesimal
421426
23acj21
Four Hundred and Twenty-One Thousand Four Hundred and Twenty-Six in Base 21 Unovigesimal
421427
23ack21
Four Hundred and Twenty-One Thousand Four Hundred and Twenty-Seven in Base 21 Unovigesimal
421429
23ad121
Four Hundred and Twenty-One Thousand Four Hundred and Twenty-Nine in Base 21 Unovigesimal
421430
23ad221
Four Hundred and Twenty-One Thousand Four Hundred and Thirty in Base 21 Unovigesimal
421431
23ad321
Four Hundred and Twenty-One Thousand Four Hundred and Thirty-One in Base 21 Unovigesimal

Scientific Notation

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

4.21428e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009eag5i59803f21

The reciprocal of 421428 in Base 21 Unovigesimal.

Palindrome?

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

The number 23ad021 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 four hundred and twenty-eight is a composite number with 48 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand four hundred and twenty-eight is a composite number with 48 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 four hundred and twenty-eight has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
173
8521
One Hundred and Seventy-Three in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3211 · 7211 · 18211 · 85211 = 23ad021

Base Conversions

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