The Number

31998

Thirty-One Thousand Nine Hundred and Ninety-Eight

In Base 7 Septenary Is

1622017

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

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

Nearby Numbers

Positive, nonzero integers within three units

31995
1621657
Thirty-One Thousand Nine Hundred and Ninety-Five in Base 7 Septenary
31996
1621667
Thirty-One Thousand Nine Hundred and Ninety-Six in Base 7 Septenary
31997
1622007
Thirty-One Thousand Nine Hundred and Ninety-Seven in Base 7 Septenary
31999
1622027
Thirty-One Thousand Nine Hundred and Ninety-Nine in Base 7 Septenary
32000
1622037
Thirty-Two Thousand in Base 7 Septenary
32001
1622047
Thirty-Two Thousand and One in Base 7 Septenary

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

3.1998e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000034510621552265423557

The reciprocal of 31998 in Base 7 Septenary.

Palindrome?

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

The number 1622017 is not a palindrome.

Not A Prime Number

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

Thirty-one thousand nine hundred and ninety-eight 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.

Thirty-one thousand nine hundred and ninety-eight 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 thirty-one thousand nine hundred and ninety-eight has the following 3 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5333
213567
Five Thousand Three Hundred and Thirty-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 · 2135671 = 1622017

Base Conversions

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