The Number

81213

Eighty-One Thousand Two Hundred and Thirteen

In Base 15 Quindecimal Is

190e315

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

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

Nearby Numbers

Positive, nonzero integers within three units

81210
190e015
Eighty-One Thousand Two Hundred and Ten in Base 15 Quindecimal
81211
190e115
Eighty-One Thousand Two Hundred and Eleven in Base 15 Quindecimal
81212
190e215
Eighty-One Thousand Two Hundred and Twelve in Base 15 Quindecimal
81214
190e415
Eighty-One Thousand Two Hundred and Fourteen in Base 15 Quindecimal
81215
190e515
Eighty-One Thousand Two Hundred and Fifteen in Base 15 Quindecimal
81216
190e615
Eighty-One Thousand Two Hundred and Sixteen in Base 15 Quindecimal

Scientific Notation

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

8.1213e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000953c9904bc27a15

The reciprocal of 81213 in Base 15 Quindecimal.

Palindrome?

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

The number 190e315 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 thirteen is a composite number with 16 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 two hundred and thirteen 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 two hundred and thirteen has the following 4 prime factors:

3
315
Three in Base 15 Quindecimal
11
b15
Eleven in Base 15 Quindecimal
23
1815
Twenty-Three in Base 15 Quindecimal
107
7215
One 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

3151 · b151 · 18151 · 72151 = 190e315

Base Conversions

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