The Number

421842

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

In Base 21 Unovigesimal Is

23bbf21

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

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

Nearby Numbers

Positive, nonzero integers within three units

421839
23bbc21
Four Hundred and Twenty-One Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
421840
23bbd21
Four Hundred and Twenty-One Thousand Eight Hundred and Forty in Base 21 Unovigesimal
421841
23bbe21
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
421843
23bbg21
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal
421844
23bbh21
Four Hundred and Twenty-One Thousand Eight Hundred and Forty-Four in Base 21 Unovigesimal
421845
23bbi21
Four Hundred and Twenty-One Thousand Eight 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.

4.21842e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009e6c43ceeabi21

The reciprocal of 421842 in Base 21 Unovigesimal.

Palindrome?

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

The number 23bbf21 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 eight hundred and forty-two is a composite number with 16 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 eight hundred and forty-two 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-one thousand eight hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
167
7k21
One Hundred and Sixty-Seven in Base 21 Unovigesimal
421
k121
Four Hundred and Twenty-One 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 · 7k211 · k1211 = 23bbf21

Base Conversions

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