The Number

81228

Eighty-One Thousand Two Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

8g4021

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

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

Nearby Numbers

Positive, nonzero integers within three units

81225
8g3i21
Eighty-One Thousand Two Hundred and Twenty-Five in Base 21 Unovigesimal
81226
8g3j21
Eighty-One Thousand Two Hundred and Twenty-Six in Base 21 Unovigesimal
81227
8g3k21
Eighty-One Thousand Two Hundred and Twenty-Seven in Base 21 Unovigesimal
81229
8g4121
Eighty-One Thousand Two Hundred and Twenty-Nine in Base 21 Unovigesimal
81230
8g4221
Eighty-One Thousand Two Hundred and Thirty in Base 21 Unovigesimal
81231
8g4321
Eighty-One Thousand Two Hundred and Thirty-One in Base 21 Unovigesimal

Scientific Notation

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

8.1228e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000285i54269bg6621

The reciprocal of 81228 in Base 21 Unovigesimal.

Palindrome?

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

The number 8g4021 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 two hundred and twenty-eight 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.

Eighty-one thousand two hundred and twenty-eight 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 eighty-one thousand two hundred and twenty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
967
24121
Nine Hundred and Sixty-Seven 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 · 3211 · 7211 · 241211 = 8g4021

Base Conversions

The number eighty-one thousand two hundred and twenty-eight in 35 different bases