The Number

421985

Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Five

In Base 31 Untrigesimal Is

e53d31

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

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

Nearby Numbers

Positive, nonzero integers within three units

421982
e53a31
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 31 Untrigesimal
421983
e53b31
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 31 Untrigesimal
421984
e53c31
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 31 Untrigesimal
421986
e53e31
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Six in Base 31 Untrigesimal
421987
e53f31
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 31 Untrigesimal
421988
e53g31
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal

Scientific Notation

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

4.21985e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00025q52k56qd1631

The reciprocal of 421985 in Base 31 Untrigesimal.

Palindrome?

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

The number e53d31 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 nine hundred and eighty-five is a composite number with 8 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-one thousand nine hundred and eighty-five is a composite number with 8 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 nine hundred and eighty-five has the following 3 prime factors:

5
531
Five in Base 31 Untrigesimal
37
1631
Thirty-Seven in Base 31 Untrigesimal
2281
2bi31
Two Thousand Two Hundred and Eighty-One in Base 31 Untrigesimal

Prime Factorization

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

5311 · 16311 · 2bi311 = e53d31

Base Conversions

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