The Number

71990

Seventy-One Thousand Nine Hundred and Ninety

In Base 7 Septenary Is

4166127

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

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

Nearby Numbers

Positive, nonzero integers within three units

71987
4166067
Seventy-One Thousand Nine Hundred and Eighty-Seven in Base 7 Septenary
71988
4166107
Seventy-One Thousand Nine Hundred and Eighty-Eight in Base 7 Septenary
71989
4166117
Seventy-One Thousand Nine Hundred and Eighty-Nine in Base 7 Septenary
71991
4166137
Seventy-One Thousand Nine Hundred and Ninety-One in Base 7 Septenary
71992
4166147
Seventy-One Thousand Nine Hundred and Ninety-Two in Base 7 Septenary
71993
4166157
Seventy-One 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.

7.1990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000143035454245254504657

The reciprocal of 71990 in Base 7 Septenary.

Palindrome?

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

The number 4166127 is not a palindrome.

Not A Prime Number

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

Seventy-one thousand nine 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.

Seventy-one thousand nine 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 seventy-one thousand nine hundred and ninety has the following 4 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
23
327
Twenty-Three in Base 7 Septenary
313
6257
Three Hundred and Thirteen 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 · 3271 · 62571 = 4166127

Base Conversions

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