The Number

72421

Seventy-Two Thousand Four Hundred and Twenty-One

In Base 21 Unovigesimal Is

7h4d21

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

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

Nearby Numbers

Positive, nonzero integers within three units

72418
7h4a21
Seventy-Two Thousand Four Hundred and Eightteen in Base 21 Unovigesimal
72419
7h4b21
Seventy-Two Thousand Four Hundred and Nineteen in Base 21 Unovigesimal
72420
7h4c21
Seventy-Two Thousand Four Hundred and Twenty in Base 21 Unovigesimal
72422
7h4e21
Seventy-Two Thousand Four Hundred and Twenty-Two in Base 21 Unovigesimal
72423
7h4f21
Seventy-Two Thousand Four Hundred and Twenty-Three in Base 21 Unovigesimal
72424
7h4g21
Seventy-Two Thousand Four Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

7.2421e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002e85eee7993ab21

The reciprocal of 72421 in Base 21 Unovigesimal.

Palindrome?

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

The number 7h4d21 is not a palindrome.

A Prime Number

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

Seventy-two thousand four hundred and twenty-one is the 7165th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Seventy-Two Thousand Four Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Seventy-Two Thousand Four Hundred and Twenty-One

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 four hundred and twenty-one has the following 1 prime factor:

72421
7h4d21
Seventy-Two Thousand Four Hundred and Twenty-One in Base 21 Unovigesimal

Prime Factorization

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

7h4d211 = 7h4d21

Base Conversions

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