The Number

1818

One Thousand Eight Hundred and Eightteen

In Base 31 Untrigesimal Is

1rk31

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

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

Nearby Numbers

Positive, nonzero integers within three units

1815
1rh31
One Thousand Eight Hundred and Fifteen in Base 31 Untrigesimal
1816
1ri31
One Thousand Eight Hundred and Sixteen in Base 31 Untrigesimal
1817
1rj31
One Thousand Eight Hundred and Seventeen in Base 31 Untrigesimal
1819
1rl31
One Thousand Eight Hundred and Nineteen in Base 31 Untrigesimal
1820
1rm31
One Thousand Eight Hundred and Twenty in Base 31 Untrigesimal
1821
1rn31
One Thousand Eight 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.

1.818e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00gbuiq390jhb31

The reciprocal of 1818 in Base 31 Untrigesimal.

Palindrome?

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

The number 1rk31 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 eight hundred and eightteen is a composite number with 12 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One thousand eight hundred and eightteen is a composite number with 12 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 eight hundred and eightteen has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
101
3831
One Hundred and One 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 · 3312 · 38311 = 1rk31

Base Conversions

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