The Number

31980

Thirty-One Thousand Nine Hundred and Eighty

In Base 15 Quindecimal Is

972015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31977
971c15
Thirty-One Thousand Nine Hundred and Seventy-Seven in Base 15 Quindecimal
31978
971d15
Thirty-One Thousand Nine Hundred and Seventy-Eight in Base 15 Quindecimal
31979
971e15
Thirty-One Thousand Nine Hundred and Seventy-Nine in Base 15 Quindecimal
31981
972115
Thirty-One Thousand Nine Hundred and Eighty-One in Base 15 Quindecimal
31982
972215
Thirty-One Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
31983
972315
Thirty-One Thousand Nine Hundred and Eighty-Three in Base 15 Quindecimal

Scientific Notation

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

3.1980e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00018b2a646c0baab15

The reciprocal of 31980 in Base 15 Quindecimal.

Palindrome?

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

The number 972015 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 is a composite number with 48 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand nine hundred and eighty is a composite number with 48 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 has the following 5 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
41
2b15
Forty-One in Base 15 Quindecimal

Prime Factorization

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

2152 · 3151 · 5151 · d151 · 2b151 = 972015

Base Conversions

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