The Number

31985

Thirty-One Thousand Nine Hundred and Eighty-Five

In Base 7 Septenary Is

1621527

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

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

Nearby Numbers

Positive, nonzero integers within three units

31982
1621467
Thirty-One Thousand Nine Hundred and Eighty-Two in Base 7 Septenary
31983
1621507
Thirty-One Thousand Nine Hundred and Eighty-Three in Base 7 Septenary
31984
1621517
Thirty-One Thousand Nine Hundred and Eighty-Four in Base 7 Septenary
31986
1621537
Thirty-One Thousand Nine Hundred and Eighty-Six in Base 7 Septenary
31987
1621547
Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 7 Septenary
31988
1621557
Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 7 Septenary

Scientific Notation

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

3.1985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000003451433034105121147

The reciprocal of 31985 in Base 7 Septenary.

Palindrome?

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

The number 1621527 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 eighty-five 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.

Thirty-one thousand nine hundred and eighty-five 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 thirty-one thousand nine hundred and eighty-five has the following 2 prime factors:

5
57
Five in Base 7 Septenary
6397
244367
Six Thousand Three Hundred and Ninety-Seven in Base 7 Septenary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

571 · 2443671 = 1621527

Base Conversions

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