The Number

18998

Eightteen Thousand Nine Hundred and Ninety-Eight

In Base 9 Nonary Is

280489

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
18997
280479
Eightteen Thousand Nine Hundred and Ninety-Seven in Base 9 Nonary
18999
280509
Eightteen Thousand Nine Hundred and Ninety-Nine in Base 9 Nonary
19000
280519
Nineteen Thousand in Base 9 Nonary
19001
280529
Nineteen Thousand and One in Base 9 Nonary

Scientific Notation

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

1.8998e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00003086762527651718349

The reciprocal of 18998 in Base 9 Nonary.

Palindrome?

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

The number 280489 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-eight is a composite number with 16 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-eight is a composite number with 16 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-eight has the following 4 prime factors:

2
29
Two in Base 9 Nonary
7
79
Seven in Base 9 Nonary
23
259
Twenty-Three in Base 9 Nonary
59
659
Fifty-Nine 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 · 791 · 2591 · 6591 = 280489

Base Conversions

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