The Number

72158

Seventy-Two Thousand One Hundred and Fifty-Eight

In Base 15 Quindecimal Is

165a815

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

For more familiar numbers: See Seventy-Two Thousand One Hundred and Fifty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

72155
165a515
Seventy-Two Thousand One Hundred and Fifty-Five in Base 15 Quindecimal
72156
165a615
Seventy-Two Thousand One Hundred and Fifty-Six in Base 15 Quindecimal
72157
165a715
Seventy-Two Thousand One Hundred and Fifty-Seven in Base 15 Quindecimal
72159
165a915
Seventy-Two Thousand One Hundred and Fifty-Nine in Base 15 Quindecimal
72160
165aa15
Seventy-Two Thousand One Hundred and Sixty in Base 15 Quindecimal
72161
165ab15
Seventy-Two Thousand One Hundred and Sixty-One in Base 15 Quindecimal

Scientific Notation

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

7.2158e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a7ccb649602be15

The reciprocal of 72158 in Base 15 Quindecimal.

Palindrome?

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

The number 165a815 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Seventy-two thousand one hundred and fifty-eight 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.

Seventy-two thousand one hundred and fifty-eight 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 seventy-two thousand one hundred and fifty-eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
109
7415
One Hundred and Nine in Base 15 Quindecimal
331
17115
Three Hundred and Thirty-One in Base 15 Quindecimal

Prime Factorization

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

2151 · 74151 · 171151 = 165a815

Base Conversions

The number seventy-two thousand one hundred and fifty-eight in 35 different bases