The Number

81355

Eighty-One Thousand Three Hundred and Fifty-Five

In Base 15 Quindecimal Is

1918a15

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81352
1918715
Eighty-One Thousand Three Hundred and Fifty-Two in Base 15 Quindecimal
81353
1918815
Eighty-One Thousand Three Hundred and Fifty-Three in Base 15 Quindecimal
81354
1918915
Eighty-One Thousand Three Hundred and Fifty-Four in Base 15 Quindecimal
81356
1918b15
Eighty-One Thousand Three Hundred and Fifty-Six in Base 15 Quindecimal
81357
1918c15
Eighty-One Thousand Three Hundred and Fifty-Seven in Base 15 Quindecimal
81358
1918d15
Eighty-One Thousand Three Hundred and Fifty-Eight in Base 15 Quindecimal

Scientific Notation

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

8.1355e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000950285907b571d15

The reciprocal of 81355 in Base 15 Quindecimal.

Palindrome?

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

The number 1918a15 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-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand three hundred and fifty-five 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-five has the following 3 prime factors:

5
515
Five in Base 15 Quindecimal
53
3815
Fifty-Three in Base 15 Quindecimal
307
15715
Three Hundred and Seven in Base 15 Quindecimal

Prime Factorization

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

5151 · 38151 · 157151 = 1918a15

Base Conversions

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