The Number

680

Six Hundred and Eighty

In Base 8 Octal Is

12508

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

For more familiar numbers: See Six Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

677
12458
Six Hundred and Seventy-Seven in Base 8 Octal
678
12468
Six Hundred and Seventy-Eight in Base 8 Octal
679
12478
Six Hundred and Seventy-Nine in Base 8 Octal
681
12518
Six Hundred and Eighty-One in Base 8 Octal
682
12528
Six Hundred and Eighty-Two in Base 8 Octal
683
12538
Six Hundred and Eighty-Three in Base 8 Octal

Scientific Notation

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

6.80e2

Reciprocal

A number multiplied with its reciprocal is one.

0.000601403006014030068

The reciprocal of 680 in Base 8 Octal.

Palindrome?

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

The number 12508 is not a palindrome.

Not A Prime Number

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

Six hundred and eighty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Six hundred and eighty 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 six hundred and eighty has the following 3 prime factors:

2
28
Two in Base 8 Octal
5
58
Five in Base 8 Octal
17
218
Seventeen in Base 8 Octal

Prime Factorization

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

283 · 581 · 2181 = 12508

Base Conversions

The number six hundred and eighty in 35 different bases