The Number

400

Four Hundred

In Base 22 Duovigesimal Is

i422

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

For more familiar numbers: See Four Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

397
i122
Three Hundred and Ninety-Seven in Base 22 Duovigesimal
398
i222
Three Hundred and Ninety-Eight in Base 22 Duovigesimal
399
i322
Three Hundred and Ninety-Nine in Base 22 Duovigesimal
401
i522
Four Hundred and One in Base 22 Duovigesimal
402
i622
Four Hundred and Two in Base 22 Duovigesimal
403
i722
Four Hundred and Three in Base 22 Duovigesimal

Scientific Notation

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

4e2

Reciprocal

A number multiplied with its reciprocal is one.

0.014de1gfiac70j22

The reciprocal of 400 in Base 22 Duovigesimal.

Palindrome?

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

The number i422 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 is a composite number with 15 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Four hundred is a composite number with 15 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 has the following 2 prime factors:

2
222
Two in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal

Prime Factorization

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

2224 · 5222 = i422

Base Conversions

The number four hundred in 35 different bases