The Number

166990

One Hundred and Sixty-Six Thousand Nine Hundred and Ninety

In Base 7 Septenary Is

12635657

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

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

Nearby Numbers

Positive, nonzero integers within three units

166987
12635627
One Hundred and Sixty-Six Thousand Nine Hundred and Eighty-Seven in Base 7 Septenary
166988
12635637
One Hundred and Sixty-Six Thousand Nine Hundred and Eighty-Eight in Base 7 Septenary
166989
12635647
One Hundred and Sixty-Six Thousand Nine Hundred and Eighty-Nine in Base 7 Septenary
166991
12635667
One Hundred and Sixty-Six Thousand Nine Hundred and Ninety-One in Base 7 Septenary
166992
12636007
One Hundred and Sixty-Six Thousand Nine Hundred and Ninety-Two in Base 7 Septenary
166993
12636017
One Hundred and Sixty-Six 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.

1.66990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000046343663130511132657

The reciprocal of 166990 in Base 7 Septenary.

Palindrome?

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

The number 12635657 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 sixty-six thousand nine hundred and ninety 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 sixty-six thousand nine hundred and ninety 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 sixty-six thousand nine hundred and ninety has the following 3 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
16699
664547
Sixteen Thousand Six Hundred and Ninety-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

271 · 571 · 6645471 = 12635657

Base Conversions

The number one hundred and sixty-six thousand nine hundred and ninety in 35 different bases