The Number

139724

One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Four

In Base 8 Octal Is

4207148

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

For more familiar numbers: See One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

139721
4207118
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-One in Base 8 Octal
139722
4207128
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Two in Base 8 Octal
139723
4207138
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Three in Base 8 Octal
139725
4207158
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Five in Base 8 Octal
139726
4207168
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Six in Base 8 Octal
139727
4207178
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Seven in Base 8 Octal

Scientific Notation

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

1.39724e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000017004567774462732648

The reciprocal of 139724 in Base 8 Octal.

Palindrome?

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

The number 4207148 is not a palindrome.

Not A Prime Number

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

One hundred and thirty-nine thousand seven hundred and twenty-four is a composite number with 12 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

One hundred and thirty-nine thousand seven hundred and twenty-four is a composite number with 12 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 one hundred and thirty-nine thousand seven hundred and twenty-four has the following 3 prime factors:

2
28
Two in Base 8 Octal
13
158
Thirteen in Base 8 Octal
2687
51778
Two Thousand Six Hundred and Eighty-Seven in Base 8 Octal

Prime Factorization

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

282 · 1581 · 517781 = 4207148

Base Conversions

The number one hundred and thirty-nine thousand seven hundred and twenty-four in 35 different bases