The Number

1891

One Thousand Eight Hundred and Ninety-One

In Base 31 Untrigesimal Is

1u031

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

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

Nearby Numbers

Positive, nonzero integers within three units

1888
1ts31
One Thousand Eight Hundred and Eighty-Eight in Base 31 Untrigesimal
1889
1tt31
One Thousand Eight Hundred and Eighty-Nine in Base 31 Untrigesimal
1890
1tu31
One Thousand Eight Hundred and Ninety in Base 31 Untrigesimal
1892
1u131
One Thousand Eight Hundred and Ninety-Two in Base 31 Untrigesimal
1893
1u231
One Thousand Eight Hundred and Ninety-Three in Base 31 Untrigesimal
1894
1u331
One Thousand Eight Hundred and Ninety-Four in Base 31 Untrigesimal

Scientific Notation

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

1.891e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00fnblakpse7331

The reciprocal of 1891 in Base 31 Untrigesimal.

Palindrome?

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

The number 1u031 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 ninety-one is a composite number with 4 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 ninety-one 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 one thousand eight hundred and ninety-one has the following 2 prime factors:

31
1031
Thirty-One in Base 31 Untrigesimal
61
1u31
Sixty-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

10311 · 1u311 = 1u031

Base Conversions

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