The Number

1918

One Thousand Nine Hundred and Eightteen

In Base 31 Untrigesimal Is

1ur31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

For more familiar numbers: See One Thousand Nine Hundred and Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1915
1uo31
One Thousand Nine Hundred and Fifteen in Base 31 Untrigesimal
1916
1up31
One Thousand Nine Hundred and Sixteen in Base 31 Untrigesimal
1917
1uq31
One Thousand Nine Hundred and Seventeen in Base 31 Untrigesimal
1919
1us31
One Thousand Nine Hundred and Nineteen in Base 31 Untrigesimal
1920
1ut31
One Thousand Nine Hundred and Twenty in Base 31 Untrigesimal
1921
1uu31
One Thousand Nine Hundred and Twenty-One in Base 31 Untrigesimal

Scientific Notation

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

1.918e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00fgfhfjfng0g31

The reciprocal of 1918 in Base 31 Untrigesimal.

Palindrome?

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

The number 1ur31 is not a palindrome.

Not A Prime Number

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

One thousand nine hundred and eightteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and eightteen 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 thousand nine hundred and eightteen has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
7
731
Seven in Base 31 Untrigesimal
137
4d31
One Hundred and Thirty-Seven in Base 31 Untrigesimal

Prime Factorization

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

2311 · 7311 · 4d311 = 1ur31

Base Conversions

The number one thousand nine hundred and eightteen in 35 different bases