The Number

72980

Seventy-Two Thousand Nine Hundred and Eighty

In Base 21 Unovigesimal Is

7ia521

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

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

Nearby Numbers

Positive, nonzero integers within three units

72977
7ia221
Seventy-Two Thousand Nine Hundred and Seventy-Seven in Base 21 Unovigesimal
72978
7ia321
Seventy-Two Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
72979
7ia421
Seventy-Two Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
72981
7ia621
Seventy-Two Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal
72982
7ia721
Seventy-Two Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
72983
7ia821
Seventy-Two Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal

Scientific Notation

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

7.2980e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002dk4477h547ka21

The reciprocal of 72980 in Base 21 Unovigesimal.

Palindrome?

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

The number 7ia521 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 nine hundred and eighty 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.

Seventy-two thousand nine hundred and eighty 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 seventy-two thousand nine hundred and eighty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
89
4521
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 · 5211 · 1k211 · 45211 = 7ia521

Base Conversions

The number seventy-two thousand nine hundred and eighty in 35 different bases