The Number

42072

Forty-Two Thousand and Seventy-Two

In Base 21 Unovigesimal Is

4b8921

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

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

Nearby Numbers

Positive, nonzero integers within three units

42069
4b8621
Forty-Two Thousand and Sixty-Nine in Base 21 Unovigesimal
42070
4b8721
Forty-Two Thousand and Seventy in Base 21 Unovigesimal
42071
4b8821
Forty-Two Thousand and Seventy-One in Base 21 Unovigesimal
42073
4b8a21
Forty-Two Thousand and Seventy-Three in Base 21 Unovigesimal
42074
4b8b21
Forty-Two Thousand and Seventy-Four in Base 21 Unovigesimal
42075
4b8c21
Forty-Two Thousand and Seventy-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.

4.2072e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004d1be2bjb33fg21

The reciprocal of 42072 in Base 21 Unovigesimal.

Palindrome?

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

The number 4b8921 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 seventy-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.

Forty-two thousand and seventy-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 forty-two thousand and seventy-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
1753
3ka21
One Thousand Seven Hundred and 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

2213 · 3211 · 3ka211 = 4b8921

Base Conversions

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