The Number

139890

One Hundred and Thirty-Nine Thousand Eight Hundred and Ninety

In Base 7 Septenary Is

11215627

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

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

Nearby Numbers

Positive, nonzero integers within three units

139887
11215567
One Hundred and Thirty-Nine Thousand Eight Hundred and Eighty-Seven in Base 7 Septenary
139888
11215607
One Hundred and Thirty-Nine Thousand Eight Hundred and Eighty-Eight in Base 7 Septenary
139889
11215617
One Hundred and Thirty-Nine Thousand Eight Hundred and Eighty-Nine in Base 7 Septenary
139891
11215637
One Hundred and Thirty-Nine Thousand Eight Hundred and Ninety-One in Base 7 Septenary
139892
11215647
One Hundred and Thirty-Nine Thousand Eight Hundred and Ninety-Two in Base 7 Septenary
139893
11215657
One Hundred and Thirty-Nine Thousand Eight Hundred and Ninety-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.

1.39890e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056131603603341260147

The reciprocal of 139890 in Base 7 Septenary.

Palindrome?

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

The number 11215627 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 eight hundred and ninety is a composite number with 16 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 eight hundred and ninety is a composite number with 16 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 eight hundred and ninety has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
4663
164117
Four Thousand Six Hundred and Sixty-Three in Base 7 Septenary

Prime Factorization

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

271 · 371 · 571 · 1641171 = 11215627

Base Conversions

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