The Number

421981

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

In Base 22 Duovigesimal Is

1hdil22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

421978
1hdii22
Four Hundred and Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 22 Duovigesimal
421979
1hdij22
Four Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 22 Duovigesimal
421980
1hdik22
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 22 Duovigesimal
421982
1hdj022
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 22 Duovigesimal
421983
1hdj122
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 22 Duovigesimal
421984
1hdj222
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 22 Duovigesimal

Scientific Notation

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

4.21981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000c4f1a7b2aj3322

The reciprocal of 421981 in Base 22 Duovigesimal.

Palindrome?

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

The number 1hdil22 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-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand nine hundred and eighty-one 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-one has the following 3 prime factors:

7
722
Seven in Base 22 Duovigesimal
23
1122
Twenty-Three in Base 22 Duovigesimal
2621
59322
Two Thousand Six Hundred and Twenty-One in Base 22 Duovigesimal

Prime Factorization

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

7221 · 11221 · 593221 = 1hdil22

Base Conversions

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