The Number

18993

Eightteen Thousand Nine Hundred and Ninety-Three

In Base 9 Nonary Is

280439

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

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

Nearby Numbers

Positive, nonzero integers within three units

18990
280409
Eightteen Thousand Nine Hundred and Ninety in Base 9 Nonary
18991
280419
Eightteen Thousand Nine Hundred and Ninety-One in Base 9 Nonary
18992
280429
Eightteen Thousand Nine Hundred and Ninety-Two in Base 9 Nonary
18994
280449
Eightteen Thousand Nine Hundred and Ninety-Four in Base 9 Nonary
18995
280459
Eightteen Thousand Nine Hundred and Ninety-Five in Base 9 Nonary
18996
280469
Eightteen Thousand Nine Hundred and Ninety-Six in Base 9 Nonary

Scientific Notation

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

1.8993e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000308740538385615289

The reciprocal of 18993 in Base 9 Nonary.

Palindrome?

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

The number 280439 is not a palindrome.

Not A Prime Number

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

Eightteen thousand nine hundred and ninety-three 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.

Eightteen thousand nine hundred and ninety-three is a composite number with 8 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 eightteen thousand nine hundred and ninety-three has the following 3 prime factors:

3
39
Three in Base 9 Nonary
13
149
Thirteen in Base 9 Nonary
487
6019
Four Hundred and Eighty-Seven in Base 9 Nonary

Prime Factorization

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

391 · 1491 · 60191 = 280439

Base Conversions

The number eightteen thousand nine hundred and ninety-three in 35 different bases