The Number

139780

One Hundred and Thirty-Nine Thousand Seven Hundred and Eighty

In Base 7 Septenary Is

11213447

The numbers with a 7 subscript use Base 7 Septenary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

139777
11213417
One Hundred and Thirty-Nine Thousand Seven Hundred and Seventy-Seven in Base 7 Septenary
139778
11213427
One Hundred and Thirty-Nine Thousand Seven Hundred and Seventy-Eight in Base 7 Septenary
139779
11213437
One Hundred and Thirty-Nine Thousand Seven Hundred and Seventy-Nine in Base 7 Septenary
139781
11213457
One Hundred and Thirty-Nine Thousand Seven Hundred and Eighty-One in Base 7 Septenary
139782
11213467
One Hundred and Thirty-Nine Thousand Seven Hundred and Eighty-Two in Base 7 Septenary
139783
11213507
One Hundred and Thirty-Nine Thousand Seven Hundred and Eighty-Three in Base 7 Septenary

Scientific Notation

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

1.39780e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056145664132006151527

The reciprocal of 139780 in Base 7 Septenary.

Palindrome?

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

The number 11213447 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 eighty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

One hundred and thirty-nine thousand seven hundred and eighty is a composite number with 24 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 eighty has the following 4 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
29
417
Twenty-Nine in Base 7 Septenary
241
4637
Two Hundred and Forty-One in Base 7 Septenary

Prime Factorization

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

272 · 571 · 4171 · 46371 = 11213447

Base Conversions

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