The Number

990

Nine Hundred and Ninety

In Base 9 Nonary Is

13209

The numbers with a 9 subscript use Base 9 Nonary notation.

For more familiar numbers: See Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

987
13169
Nine Hundred and Eighty-Seven in Base 9 Nonary
988
13179
Nine Hundred and Eighty-Eight in Base 9 Nonary
989
13189
Nine Hundred and Eighty-Nine in Base 9 Nonary
991
13219
Nine Hundred and Ninety-One in Base 9 Nonary
992
13229
Nine Hundred and Ninety-Two in Base 9 Nonary
993
13239
Nine Hundred and Ninety-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.

9.90e2

Reciprocal

A number multiplied with its reciprocal is one.

0.000655724740065572479

The reciprocal of 990 in Base 9 Nonary.

Palindrome?

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

The number 13209 is not a palindrome.

Not A Prime Number

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

Nine hundred and ninety is a composite number with 24 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

Nine hundred and ninety is a composite number with 24 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 nine hundred and ninety has the following 4 prime factors:

2
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary
11
129
Eleven in Base 9 Nonary

Prime Factorization

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

291 · 392 · 591 · 1291 = 13209

Base Conversions

The number nine hundred and ninety in 35 different bases