The Number

138881

One Hundred and Thirty-Eight Thousand Eight Hundred and Eighty-One

In Base 7 Septenary Is

11156217

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 Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138878
11156157
One Hundred and Thirty-Eight Thousand Eight Hundred and Seventy-Eight in Base 7 Septenary
138879
11156167
One Hundred and Thirty-Eight Thousand Eight Hundred and Seventy-Nine in Base 7 Septenary
138880
11156207
One Hundred and Thirty-Eight Thousand Eight Hundred and Eighty in Base 7 Septenary
138882
11156227
One Hundred and Thirty-Eight Thousand Eight Hundred and Eighty-Two in Base 7 Septenary
138883
11156237
One Hundred and Thirty-Eight Thousand Eight Hundred and Eighty-Three in Base 7 Septenary
138884
11156247
One Hundred and Thirty-Eight Thousand Eight Hundred and Eighty-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.

1.38881e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056336363335454424367

The reciprocal of 138881 in Base 7 Septenary.

Palindrome?

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

The number 11156217 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 eighty-one is a composite number with 4 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 eighty-one is a composite number with 4 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 eighty-one has the following 2 prime factors:

29
417
Twenty-Nine in Base 7 Septenary
4789
166517
Four Thousand Seven Hundred and Eighty-Nine in Base 7 Septenary

Prime Factorization

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

4171 · 1665171 = 11156217

Base Conversions

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