The Number

420042

Four Hundred and Twenty Thousand and Forty-Two

In Base 21 Unovigesimal Is

237a021

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

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

Nearby Numbers

Positive, nonzero integers within three units

420039
2379i21
Four Hundred and Twenty Thousand and Thirty-Nine in Base 21 Unovigesimal
420040
2379j21
Four Hundred and Twenty Thousand and Forty in Base 21 Unovigesimal
420041
2379k21
Four Hundred and Twenty Thousand and Forty-One in Base 21 Unovigesimal
420043
237a121
Four Hundred and Twenty Thousand and Forty-Three in Base 21 Unovigesimal
420044
237a221
Four Hundred and Twenty Thousand and Forty-Four in Base 21 Unovigesimal
420045
237a321
Four Hundred and Twenty Thousand and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

4.20042e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009f3i8i6hf6fd21

The reciprocal of 420042 in Base 21 Unovigesimal.

Palindrome?

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

The number 237a021 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 thousand and forty-two is a composite number with 32 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 thousand and forty-two is a composite number with 32 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 thousand and forty-two 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
73
3a21
Seventy-Three in Base 21 Unovigesimal
137
6b21
One Hundred and Thirty-Seven in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3211 · 7211 · 3a211 · 6b211 = 237a021

Base Conversions

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