Nearby Numbers

Positive, nonzero integers within three units

37

419

Thirty-Seven in Base 9 Nonary

38

429

Thirty-Eight in Base 9 Nonary

39

439

Thirty-Nine in Base 9 Nonary

41

459

Forty-One in Base 9 Nonary

42

469

Forty-Two in Base 9 Nonary

43

479

Forty-Three in Base 9 Nonary

Scientific Notation

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

4e1

Reciprocal

A number multiplied with its reciprocal is one.

0.0202020202020202029

The reciprocal of 40 in Base 9 Nonary.

Palindrome?

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

The number 449 is a palindrome.

Not A Prime Number

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

Forty is a composite number with 8 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Forty is a composite number with 8 total factors (including 1 and itself).

Prime Factors

2

29

Two in Base 9 Nonary

5

59

Five in Base 9 Nonary

Prime Factorization

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

293 · 591 = 449

Base Conversions

The number forty in 35 different bases