The Number

420642

Four Hundred and Twenty Thousand Six Hundred and Forty-Two

In Base 21 Unovigesimal Is

238hc21

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

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

Nearby Numbers

Positive, nonzero integers within three units

420639
238h921
Four Hundred and Twenty Thousand Six Hundred and Thirty-Nine in Base 21 Unovigesimal
420640
238ha21
Four Hundred and Twenty Thousand Six Hundred and Forty in Base 21 Unovigesimal
420641
238hb21
Four Hundred and Twenty Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
420643
238hd21
Four Hundred and Twenty Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal
420644
238he21
Four Hundred and Twenty Thousand Six Hundred and Forty-Four in Base 21 Unovigesimal
420645
238hf21
Four Hundred and Twenty Thousand Six Hundred 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.

4.20642e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009eifkd6283ji21

The reciprocal of 420642 in Base 21 Unovigesimal.

Palindrome?

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

The number 238hc21 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 six hundred and forty-two is a composite number with 12 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 six hundred and forty-two is a composite number with 12 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 six hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
23369
2akh21
Twenty-Three Thousand Three Hundred and Sixty-Nine 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 · 3212 · 2akh211 = 238hc21

Base Conversions

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