The Number

81672

Eighty-One Thousand Six Hundred and Seventy-Two

In Base 21 Unovigesimal Is

8h4321

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

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

Nearby Numbers

Positive, nonzero integers within three units

81669
8h4021
Eighty-One Thousand Six Hundred and Sixty-Nine in Base 21 Unovigesimal
81670
8h4121
Eighty-One Thousand Six Hundred and Seventy in Base 21 Unovigesimal
81671
8h4221
Eighty-One Thousand Six Hundred and Seventy-One in Base 21 Unovigesimal
81673
8h4421
Eighty-One Thousand Six Hundred and Seventy-Three in Base 21 Unovigesimal
81674
8h4521
Eighty-One Thousand Six Hundred and Seventy-Four in Base 21 Unovigesimal
81675
8h4621
Eighty-One Thousand Six Hundred 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.

8.1672e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002802eh01b6dff21

The reciprocal of 81672 in Base 21 Unovigesimal.

Palindrome?

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

The number 8h4321 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand six hundred and seventy-two is a composite number with 32 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand six hundred and seventy-two is a composite number with 32 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 eighty-one thousand six hundred and seventy-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
83
3k21
Eighty-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 · 1k211 · 3k211 = 8h4321

Base Conversions

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