Nearby Numbers

Positive, nonzero integers within three units

28

2213

Twenty-Eight in Base 13 Tridecimal

29

2313

Twenty-Nine in Base 13 Tridecimal

30

2413

Thirty in Base 13 Tridecimal

32

2613

Thirty-Two in Base 13 Tridecimal

33

2713

Thirty-Three in Base 13 Tridecimal

34

2813

Thirty-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.

3.1e1

Reciprocal

A number multiplied with its reciprocal is one.

0.055b42692c2134813

The reciprocal of 31 in Base 13 Tridecimal.

Palindrome?

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

The number 2513 is not a palindrome.

A Prime Number

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

Thirty-one is the 11th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Thirty-One is not a composite number because it has exactly two factors: One and Thirty-One

Prime Factors

31

2513

Thirty-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 = 2513

Base Conversions

The number thirty-one in 35 different bases