The Number

137981

One Hundred and Thirty-Seven Thousand Nine Hundred and Eighty-One

In Base 7 Septenary Is

11131647

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

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

Nearby Numbers

Positive, nonzero integers within three units

137978
11131617
One Hundred and Thirty-Seven Thousand Nine Hundred and Seventy-Eight in Base 7 Septenary
137979
11131627
One Hundred and Thirty-Seven Thousand Nine Hundred and Seventy-Nine in Base 7 Septenary
137980
11131637
One Hundred and Thirty-Seven Thousand Nine Hundred and Eighty in Base 7 Septenary
137982
11131657
One Hundred and Thirty-Seven Thousand Nine Hundred and Eighty-Two in Base 7 Septenary
137983
11131667
One Hundred and Thirty-Seven Thousand Nine Hundred and Eighty-Three in Base 7 Septenary
137984
11132007
One Hundred and Thirty-Seven Thousand Nine 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.

1.37981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000056531266461135501437

The reciprocal of 137981 in Base 7 Septenary.

Palindrome?

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

The number 11131647 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-seven thousand nine 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-seven thousand nine 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-seven thousand nine hundred and eighty-one has the following 2 prime factors:

31
437
Thirty-One in Base 7 Septenary
4451
156567
Four Thousand Four Hundred and Fifty-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

4371 · 1565671 = 11131647

Base Conversions

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