The Number

4002

Four Thousand and Two

In Base 21 Unovigesimal Is

91c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

3999
91921
Three Thousand Nine Hundred and Ninety-Nine in Base 21 Unovigesimal
4000
91a21
Four Thousand in Base 21 Unovigesimal
4001
91b21
Four Thousand and One in Base 21 Unovigesimal
4003
91d21
Four Thousand and Three in Base 21 Unovigesimal
4004
91e21
Four Thousand and Four in Base 21 Unovigesimal
4005
91f21
Four Thousand and Five in Base 21 Unovigesimal

Scientific Notation

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

4.002e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0026cah275884521

The reciprocal of 4002 in Base 21 Unovigesimal.

Palindrome?

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

The number 91c21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Four thousand and two 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 thousand and two 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 thousand and two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3211 · 12211 · 18211 = 91c21

Base Conversions

The number four thousand and two in 35 different bases