The Number

1228

One Thousand Two Hundred and Twenty-Eight

In Base 20 Vigesimal Is

31820

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1225
31520
One Thousand Two Hundred and Twenty-Five in Base 20 Vigesimal
1226
31620
One Thousand Two Hundred and Twenty-Six in Base 20 Vigesimal
1227
31720
One Thousand Two Hundred and Twenty-Seven in Base 20 Vigesimal
1229
31920
One Thousand Two Hundred and Twenty-Nine in Base 20 Vigesimal
1230
31a20
One Thousand Two Hundred and Thirty in Base 20 Vigesimal
1231
31b20
One Thousand Two Hundred and Thirty-One in Base 20 Vigesimal

Scientific Notation

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

1.228e3

Reciprocal

A number multiplied with its reciprocal is one.

0.006a5h55aejd9e720

The reciprocal of 1228 in Base 20 Vigesimal.

Palindrome?

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

The number 31820 is not a palindrome.

Not A Prime Number

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

One thousand two hundred and twenty-eight is a composite number with 6 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

One thousand two hundred and twenty-eight is a composite number with 6 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 one thousand two hundred and twenty-eight has the following 2 prime factors:

2
220
Two in Base 20 Vigesimal
307
f720
Three Hundred and Seven in Base 20 Vigesimal

Prime Factorization

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

2202 · f7201 = 31820

Base Conversions

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