The Number

42012

Forty-Two Thousand and Twelve

In Base 21 Unovigesimal Is

4b5c21

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

For more familiar numbers: See Forty-Two Thousand and Twelve in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

42009
4b5921
Forty-Two Thousand and Nine in Base 21 Unovigesimal
42010
4b5a21
Forty-Two Thousand and Ten in Base 21 Unovigesimal
42011
4b5b21
Forty-Two Thousand and Eleven in Base 21 Unovigesimal
42013
4b5d21
Forty-Two Thousand and Thirteen in Base 21 Unovigesimal
42014
4b5e21
Forty-Two Thousand and Fourteen in Base 21 Unovigesimal
42015
4b5f21
Forty-Two Thousand and Fifteen in Base 21 Unovigesimal

Scientific Notation

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

4.2012e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004d49h0k2c2gdf21

The reciprocal of 42012 in Base 21 Unovigesimal.

Palindrome?

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

The number 4b5c21 is not a palindrome.

Not A Prime Number

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

Forty-two thousand and twelve is a composite number with 24 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand and twelve is a composite number with 24 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 forty-two thousand and twelve has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
389
ib21
Three Hundred and Eighty-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

2212 · 3213 · ib211 = 4b5c21

Base Conversions

The number forty-two thousand and twelve in 35 different bases