The Number

420990

Four Hundred and Twenty Thousand Nine Hundred and Ninety

In Base 31 Untrigesimal Is

e42a31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

For more familiar numbers: See Four Hundred and Twenty Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

420987
e42731
Four Hundred and Twenty Thousand Nine Hundred and Eighty-Seven in Base 31 Untrigesimal
420988
e42831
Four Hundred and Twenty Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
420989
e42931
Four Hundred and Twenty Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
420991
e42b31
Four Hundred and Twenty Thousand Nine Hundred and Ninety-One in Base 31 Untrigesimal
420992
e42c31
Four Hundred and Twenty Thousand Nine Hundred and Ninety-Two in Base 31 Untrigesimal
420993
e42d31
Four Hundred and Twenty Thousand Nine Hundred and Ninety-Three in Base 31 Untrigesimal

Scientific Notation

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

4.20990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00026045hjtqt431

The reciprocal of 420990 in Base 31 Untrigesimal.

Palindrome?

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

The number e42a31 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 nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty thousand nine hundred and ninety is a composite number with 16 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 nine hundred and ninety has the following 4 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
14033
eil31
Fourteen Thousand and Thirty-Three in Base 31 Untrigesimal

Prime Factorization

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

2311 · 3311 · 5311 · eil311 = e42a31

Base Conversions

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