The Number

228

Two Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

ai21

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

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

Nearby Numbers

Positive, nonzero integers within three units

225
af21
Two Hundred and Twenty-Five in Base 21 Unovigesimal
226
ag21
Two Hundred and Twenty-Six in Base 21 Unovigesimal
227
ah21
Two Hundred and Twenty-Seven in Base 21 Unovigesimal
229
aj21
Two Hundred and Twenty-Nine in Base 21 Unovigesimal
230
ak21
Two Hundred and Thirty in Base 21 Unovigesimal
231
b021
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.

2.28e2

Reciprocal

A number multiplied with its reciprocal is one.

0.01jckf430h8bi921

The reciprocal of 228 in Base 21 Unovigesimal.

Palindrome?

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

The number ai21 is not a palindrome.

Not A Prime Number

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

Two hundred and twenty-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-eight is a composite number with 12 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 two hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
19
j21
Nineteen 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 · j211 = ai21

Base Conversions

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