The Number

27990

Twenty-Seven Thousand Nine Hundred and Ninety

In Base 7 Septenary Is

1444147

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

For more familiar numbers: See Twenty-Seven Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

27987
1444117
Twenty-Seven Thousand Nine Hundred and Eighty-Seven in Base 7 Septenary
27988
1444127
Twenty-Seven Thousand Nine Hundred and Eighty-Eight in Base 7 Septenary
27989
1444137
Twenty-Seven Thousand Nine Hundred and Eighty-Nine in Base 7 Septenary
27991
1444157
Twenty-Seven Thousand Nine Hundred and Ninety-One in Base 7 Septenary
27992
1444167
Twenty-Seven Thousand Nine Hundred and Ninety-Two in Base 7 Septenary
27993
1444207
Twenty-Seven Thousand Nine 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.

2.7990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000412650020332306017

The reciprocal of 27990 in Base 7 Septenary.

Palindrome?

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

The number 1444147 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-seven thousand nine hundred and ninety is a composite number with 24 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty-seven thousand nine hundred and ninety is a composite number with 24 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 twenty-seven thousand nine 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
311
6237
Three Hundred and Eleven 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 · 372 · 571 · 62371 = 1444147

Base Conversions

The number twenty-seven thousand nine hundred and ninety in 35 different bases