The Number

18001

Eightteen Thousand and One

In Base 18 Octodecimal Is

31a118

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Eightteen Thousand and One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

17998
319g18
Seventeen Thousand Nine Hundred and Ninety-Eight in Base 18 Octodecimal
17999
319h18
Seventeen Thousand Nine Hundred and Ninety-Nine in Base 18 Octodecimal
18000
31a018
Eightteen Thousand in Base 18 Octodecimal
18002
31a218
Eightteen Thousand and Two in Base 18 Octodecimal
18003
31a318
Eightteen Thousand and Three in Base 18 Octodecimal
18004
31a418
Eightteen Thousand and Four in Base 18 Octodecimal

Scientific Notation

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

1.8001e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005eh86070666a918

The reciprocal of 18001 in Base 18 Octodecimal.

Palindrome?

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

The number 31a118 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 and one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand and one is a composite number with 4 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 and one has the following 2 prime factors:

47
2b18
Forty-Seven in Base 18 Octodecimal
383
13518
Three Hundred and Eighty-Three in Base 18 Octodecimal

Prime Factorization

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

2b181 · 135181 = 31a118

Base Conversions

The number eightteen thousand and one in 35 different bases