The Number

51991

Fifty-One Thousand Nine Hundred and Ninety-One

In Base 13 Tridecimal Is

1a88413

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

51988
1a88113
Fifty-One Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal
51989
1a88213
Fifty-One Thousand Nine Hundred and Eighty-Nine in Base 13 Tridecimal
51990
1a88313
Fifty-One Thousand Nine Hundred and Ninety in Base 13 Tridecimal
51992
1a88513
Fifty-One Thousand Nine Hundred and Ninety-Two in Base 13 Tridecimal
51993
1a88613
Fifty-One Thousand Nine Hundred and Ninety-Three in Base 13 Tridecimal
51994
1a88713
Fifty-One Thousand Nine 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.

5.1991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000071abaca0447040413

The reciprocal of 51991 in Base 13 Tridecimal.

Palindrome?

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

The number 1a88413 is not a palindrome.

A Prime Number

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

Fifty-one thousand nine hundred and ninety-one is the 5319th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Fifty-One Thousand Nine Hundred and Ninety-One is not a composite number because it has exactly two factors: One and Fifty-One Thousand Nine Hundred and Ninety-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number fifty-one thousand nine hundred and ninety-one has the following 1 prime factor:

51991
1a88413
Fifty-One Thousand Nine Hundred and Ninety-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

1a884131 = 1a88413

Base Conversions

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