The Number

81221

Eighty-One Thousand Two Hundred and Twenty-One

In Base 28 Octovigesimal Is

3jgl28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81218
3jgi28
Eighty-One Thousand Two Hundred and Eightteen in Base 28 Octovigesimal
81219
3jgj28
Eighty-One Thousand Two Hundred and Nineteen in Base 28 Octovigesimal
81220
3jgk28
Eighty-One Thousand Two Hundred and Twenty in Base 28 Octovigesimal
81222
3jgm28
Eighty-One Thousand Two Hundred and Twenty-Two in Base 28 Octovigesimal
81223
3jgn28
Eighty-One Thousand Two Hundred and Twenty-Three in Base 28 Octovigesimal
81224
3jgo28
Eighty-One Thousand Two Hundred and Twenty-Four in Base 28 Octovigesimal

Scientific Notation

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

8.1221e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007fp22ri5im0628

The reciprocal of 81221 in Base 28 Octovigesimal.

Palindrome?

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

The number 3jgl28 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-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand two hundred and twenty-one is a composite number with 8 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-one has the following 3 prime factors:

7
728
Seven in Base 28 Octovigesimal
41
1d28
Forty-One in Base 28 Octovigesimal
283
a328
Two Hundred and Eighty-Three in Base 28 Octovigesimal

Prime Factorization

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

7281 · 1d281 · a3281 = 3jgl28

Base Conversions

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