The Number

81357

Eighty-One Thousand Three Hundred and Fifty-Seven

In Base 21 Unovigesimal Is

8ga321

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

For more familiar numbers: See Eighty-One Thousand Three Hundred and Fifty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81354
8ga021
Eighty-One Thousand Three Hundred and Fifty-Four in Base 21 Unovigesimal
81355
8ga121
Eighty-One Thousand Three Hundred and Fifty-Five in Base 21 Unovigesimal
81356
8ga221
Eighty-One Thousand Three Hundred and Fifty-Six in Base 21 Unovigesimal
81358
8ga421
Eighty-One Thousand Three Hundred and Fifty-Eight in Base 21 Unovigesimal
81359
8ga521
Eighty-One Thousand Three Hundred and Fifty-Nine in Base 21 Unovigesimal
81360
8ga621
Eighty-One Thousand Three Hundred and Sixty in Base 21 Unovigesimal

Scientific Notation

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

8.1357e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00028441i92d3eb621

The reciprocal of 81357 in Base 21 Unovigesimal.

Palindrome?

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

The number 8ga321 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 three hundred and fifty-seven is a composite number with 8 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 three hundred and fifty-seven 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 three hundred and fifty-seven has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal
577
16a21
Five Hundred and Seventy-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

3211 · 25211 · 16a211 = 8ga321

Base Conversions

The number eighty-one thousand three hundred and fifty-seven in 35 different bases