The Number

139745

One Hundred and Thirty-Nine Thousand Seven Hundred and Forty-Five

In Base 7 Septenary Is

11212647

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 Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

139742
11212617
One Hundred and Thirty-Nine Thousand Seven Hundred and Forty-Two in Base 7 Septenary
139743
11212627
One Hundred and Thirty-Nine Thousand Seven Hundred and Forty-Three in Base 7 Septenary
139744
11212637
One Hundred and Thirty-Nine Thousand Seven Hundred and Forty-Four in Base 7 Septenary
139746
11212657
One Hundred and Thirty-Nine Thousand Seven Hundred and Forty-Six in Base 7 Septenary
139747
11212667
One Hundred and Thirty-Nine Thousand Seven Hundred and Forty-Seven in Base 7 Septenary
139748
11213007
One Hundred and Thirty-Nine Thousand Seven Hundred and Forty-Eight in Base 7 Septenary

Scientific Notation

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

1.39745e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056152351304453361047

The reciprocal of 139745 in Base 7 Septenary.

Palindrome?

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

The number 11212647 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 forty-five is a composite number with 8 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 forty-five 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 one hundred and thirty-nine thousand seven hundred and forty-five has the following 3 prime factors:

5
57
Five in Base 7 Septenary
19
257
Nineteen in Base 7 Septenary
1471
42017
One Thousand Four Hundred and Seventy-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

571 · 2571 · 420171 = 11212647

Base Conversions

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