The Number

72142

Seventy-Two Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

7gc721

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

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

Nearby Numbers

Positive, nonzero integers within three units

72139
7gc421
Seventy-Two Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
72140
7gc521
Seventy-Two Thousand One Hundred and Forty in Base 21 Unovigesimal
72141
7gc621
Seventy-Two Thousand One Hundred and Forty-One in Base 21 Unovigesimal
72143
7gc821
Seventy-Two Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
72144
7gc921
Seventy-Two Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
72145
7gca21
Seventy-Two Thousand One Hundred and Forty-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.

7.2142e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002echia50a13cg21

The reciprocal of 72142 in Base 21 Unovigesimal.

Palindrome?

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

The number 7gc721 is not a palindrome.

Not A Prime Number

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

Seventy-two thousand one hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Seventy-two thousand one hundred and forty-two is a composite number with 8 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 seventy-two thousand one hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
5153
be821
Five Thousand One 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

2211 · 7211 · be8211 = 7gc721

Base Conversions

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