The Number

1891

One Thousand Eight Hundred and Ninety-One

In Base 13 Tridecimal Is

b2613

The numbers with a 13 subscript use Base 13 Tridecimal 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
b2313
One Thousand Eight Hundred and Eighty-Eight in Base 13 Tridecimal
1889
b2413
One Thousand Eight Hundred and Eighty-Nine in Base 13 Tridecimal
1890
b2513
One Thousand Eight Hundred and Ninety in Base 13 Tridecimal
1892
b2713
One Thousand Eight Hundred and Ninety-Two in Base 13 Tridecimal
1893
b2813
One Thousand Eight Hundred and Ninety-Three in Base 13 Tridecimal
1894
b2913
One Thousand Eight Hundred and Ninety-Four in Base 13 Tridecimal

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.

0.001214694135a0c0b13

The reciprocal of 1891 in Base 13 Tridecimal.

Palindrome?

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

The number b2613 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 13 Tridecimal

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
2513
Thirty-One in Base 13 Tridecimal
61
4913
Sixty-One in Base 13 Tridecimal

Prime Factorization

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

25131 · 49131 = b2613

Base Conversions

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