The Number

402005

Four Hundred and Two Thousand and Five

In Base 21 Unovigesimal Is

218c221

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

For more familiar numbers: See Four Hundred and Two Thousand and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

402002
218bk21
Four Hundred and Two Thousand and Two in Base 21 Unovigesimal
402003
218c021
Four Hundred and Two Thousand and Three in Base 21 Unovigesimal
402004
218c121
Four Hundred and Two Thousand and Four in Base 21 Unovigesimal
402006
218c321
Four Hundred and Two Thousand and Six in Base 21 Unovigesimal
402007
218c421
Four Hundred and Two Thousand and Seven in Base 21 Unovigesimal
402008
218c521
Four Hundred and Two Thousand and Eight in Base 21 Unovigesimal

Scientific Notation

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

4.02005e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a375b93d6h69b21

The reciprocal of 402005 in Base 21 Unovigesimal.

Palindrome?

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

The number 218c221 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 two thousand and five 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 two thousand and five 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 two thousand and five has the following 4 prime factors:

5
521
Five in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
53
2b21
Fifty-Three in Base 21 Unovigesimal

Prime Factorization

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

5211 · 1g211 · 1k211 · 2b211 = 218c221

Base Conversions

The number four hundred and two thousand and five in 35 different bases