The Number

72015

Seventy-Two Thousand and Fifteen

In Base 8 Octal Is

2145178

The numbers with a 8 subscript use Base 8 Octal notation.

For more familiar numbers: See Seventy-Two Thousand and Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

72012
2145148
Seventy-Two Thousand and Twelve in Base 8 Octal
72013
2145158
Seventy-Two Thousand and Thirteen in Base 8 Octal
72014
2145168
Seventy-Two Thousand and Fourteen in Base 8 Octal
72016
2145208
Seventy-Two Thousand and Sixteen in Base 8 Octal
72017
2145218
Seventy-Two Thousand and Seventeen in Base 8 Octal
72018
2145228
Seventy-Two Thousand and Eightteen in Base 8 Octal

Scientific Notation

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

7.2015e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000003507576301107622318

The reciprocal of 72015 in Base 8 Octal.

Palindrome?

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

The number 2145178 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 and fifteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Seventy-two thousand and fifteen 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 and fifteen has the following 3 prime factors:

3
38
Three in Base 8 Octal
5
58
Five in Base 8 Octal
4801
113018
Four Thousand Eight Hundred and One in Base 8 Octal

Prime Factorization

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

381 · 581 · 1130181 = 2145178

Base Conversions

The number seventy-two thousand and fifteen in 35 different bases