The Number

420945

Four Hundred and Twenty Thousand Nine Hundred and Forty-Five

In Base 21 Unovigesimal Is

239b021

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

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

Nearby Numbers

Positive, nonzero integers within three units

420942
239ai21
Four Hundred and Twenty Thousand Nine Hundred and Forty-Two in Base 21 Unovigesimal
420943
239aj21
Four Hundred and Twenty Thousand Nine Hundred and Forty-Three in Base 21 Unovigesimal
420944
239ak21
Four Hundred and Twenty Thousand Nine Hundred and Forty-Four in Base 21 Unovigesimal
420946
239b121
Four Hundred and Twenty Thousand Nine Hundred and Forty-Six in Base 21 Unovigesimal
420947
239b221
Four Hundred and Twenty Thousand Nine Hundred and Forty-Seven in Base 21 Unovigesimal
420948
239b321
Four Hundred and Twenty Thousand Nine Hundred and Forty-Eight in Base 21 Unovigesimal

Scientific Notation

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

4.20945e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009efe598j53ca21

The reciprocal of 420945 in Base 21 Unovigesimal.

Palindrome?

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

The number 239b021 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 forty-five 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 nine hundred and forty-five 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 nine hundred and forty-five has the following 5 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
211
a121
Two Hundred and Eleven in Base 21 Unovigesimal

Prime Factorization

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

3211 · 5211 · 7211 · j211 · a1211 = 239b021

Base Conversions

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