The Number

81264

Eighty-One Thousand Two Hundred and Sixty-Four

In Base 21 Unovigesimal Is

8g5f21

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

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

Nearby Numbers

Positive, nonzero integers within three units

81261
8g5c21
Eighty-One Thousand Two Hundred and Sixty-One in Base 21 Unovigesimal
81262
8g5d21
Eighty-One Thousand Two Hundred and Sixty-Two in Base 21 Unovigesimal
81263
8g5e21
Eighty-One Thousand Two Hundred and Sixty-Three in Base 21 Unovigesimal
81265
8g5g21
Eighty-One Thousand Two Hundred and Sixty-Five in Base 21 Unovigesimal
81266
8g5h21
Eighty-One Thousand Two Hundred and Sixty-Six in Base 21 Unovigesimal
81267
8g5i21
Eighty-One Thousand Two Hundred and Sixty-Seven in Base 21 Unovigesimal

Scientific Notation

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

8.1264e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00028588j5eje27721

The reciprocal of 81264 in Base 21 Unovigesimal.

Palindrome?

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

The number 8g5f21 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 sixty-four is a composite number with 20 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 sixty-four is a composite number with 20 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 sixty-four has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
1693
3hd21
One Thousand Six Hundred and Ninety-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

2214 · 3211 · 3hd211 = 8g5f21

Base Conversions

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