Nearby Numbers

Positive, nonzero integers within three units

28

319

Twenty-Eight in Base 9 Nonary

29

329

Twenty-Nine in Base 9 Nonary

30

339

Thirty in Base 9 Nonary

32

359

Thirty-Two in Base 9 Nonary

33

369

Thirty-Three in Base 9 Nonary

34

379

Thirty-Four in Base 9 Nonary

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.

0.0254572281140520259

The reciprocal of 31 in Base 9 Nonary.

Palindrome?

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

The number 349 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 9 Nonary

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

349

Thirty-One in Base 9 Nonary

Prime Factorization

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

3491 = 349

Base Conversions

The number thirty-one in 35 different bases