The Number

408

Four Hundred and Eight

In Base 21 Unovigesimal Is

j921

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

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

Nearby Numbers

Positive, nonzero integers within three units

405
j621
Four Hundred and Five in Base 21 Unovigesimal
406
j721
Four Hundred and Six in Base 21 Unovigesimal
407
j821
Four Hundred and Seven in Base 21 Unovigesimal
409
ja21
Four Hundred and Nine in Base 21 Unovigesimal
410
jb21
Four Hundred and Ten in Base 21 Unovigesimal
411
jc21
Four Hundred and Eleven in Base 21 Unovigesimal

Scientific Notation

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

4.08e2

Reciprocal

A number multiplied with its reciprocal is one.

0.011ee11ee11ee21

The reciprocal of 408 in Base 21 Unovigesimal.

Palindrome?

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

The number j921 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 eight 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 eight 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 eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal

Prime Factorization

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

2213 · 3211 · h211 = j921

Base Conversions

The number four hundred and eight in 35 different bases