The Number

138891

One Hundred and Thirty-Eight Thousand Eight Hundred and Ninety-One

In Base 7 Septenary Is

11156347

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

For more familiar numbers: See One Hundred and Thirty-Eight Thousand Eight Hundred and Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138888
11156317
One Hundred and Thirty-Eight Thousand Eight Hundred and Eighty-Eight in Base 7 Septenary
138889
11156327
One Hundred and Thirty-Eight Thousand Eight Hundred and Eighty-Nine in Base 7 Septenary
138890
11156337
One Hundred and Thirty-Eight Thousand Eight Hundred and Ninety in Base 7 Septenary
138892
11156357
One Hundred and Thirty-Eight Thousand Eight Hundred and Ninety-Two in Base 7 Septenary
138893
11156367
One Hundred and Thirty-Eight Thousand Eight Hundred and Ninety-Three in Base 7 Septenary
138894
11156407
One Hundred and Thirty-Eight Thousand Eight Hundred and Ninety-Four in Base 7 Septenary

Scientific Notation

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

1.38891e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056335351621003625417

The reciprocal of 138891 in Base 7 Septenary.

Palindrome?

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

The number 11156347 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-eight thousand eight hundred and ninety-one 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-eight thousand eight hundred and ninety-one 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-eight thousand eight hundred and ninety-one has the following 3 prime factors:

3
37
Three in Base 7 Septenary
67
1247
Sixty-Seven in Base 7 Septenary
691
20057
Six Hundred and Ninety-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

371 · 12471 · 200571 = 11156347

Base Conversions

The number one hundred and thirty-eight thousand eight hundred and ninety-one in 35 different bases