The Number

81015

Eighty-One Thousand and Fifteen

In Base 14 Quattuordecimal Is

2174b14

The numbers with a 14 subscript use Base 14 Quattuordecimal notation.

For more familiar numbers: See Eighty-One Thousand and Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81012
2174814
Eighty-One Thousand and Twelve in Base 14 Quattuordecimal
81013
2174914
Eighty-One Thousand and Thirteen in Base 14 Quattuordecimal
81014
2174a14
Eighty-One Thousand and Fourteen in Base 14 Quattuordecimal
81016
2174c14
Eighty-One Thousand and Sixteen in Base 14 Quattuordecimal
81017
2174d14
Eighty-One Thousand and Seventeen in Base 14 Quattuordecimal
81018
2175014
Eighty-One Thousand and Eightteen in Base 14 Quattuordecimal

Scientific Notation

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

8.1015e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000068d235d25d70d114

The reciprocal of 81015 in Base 14 Quattuordecimal.

Palindrome?

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

The number 2174b14 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 and fifteen is a composite number with 16 total factors (including 1 and itself).   See primes in Base 14 Quattuordecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand and fifteen is a composite number with 16 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 and fifteen has the following 4 prime factors:

3
314
Three in Base 14 Quattuordecimal
5
514
Five in Base 14 Quattuordecimal
11
b14
Eleven in Base 14 Quattuordecimal
491
27114
Four Hundred and Ninety-One in Base 14 Quattuordecimal

Prime Factorization

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

3141 · 5141 · b141 · 271141 = 2174b14

Base Conversions

The number eighty-one thousand and fifteen in 35 different bases