The Number

18139

Eightteen Thousand One Hundred and Thirty-Nine

In Base 18 Octodecimal Is

31hd18

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

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

Nearby Numbers

Positive, nonzero integers within three units

18136
31ha18
Eightteen Thousand One Hundred and Thirty-Six in Base 18 Octodecimal
18137
31hb18
Eightteen Thousand One Hundred and Thirty-Seven in Base 18 Octodecimal
18138
31hc18
Eightteen Thousand One Hundred and Thirty-Eight in Base 18 Octodecimal
18140
31he18
Eightteen Thousand One Hundred and Forty in Base 18 Octodecimal
18141
31hf18
Eightteen Thousand One Hundred and Forty-One in Base 18 Octodecimal
18142
31hg18
Eightteen Thousand One Hundred and Forty-Two in Base 18 Octodecimal

Scientific Notation

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

1.8139e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005e31aa1g5h3d918

The reciprocal of 18139 in Base 18 Octodecimal.

Palindrome?

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

The number 31hd18 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 one hundred and thirty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand one hundred and thirty-nine 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 one hundred and thirty-nine has the following 3 prime factors:

11
b18
Eleven in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
97
5718
Ninety-Seven in Base 18 Octodecimal

Prime Factorization

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

b181 · h181 · 57181 = 31hd18

Base Conversions

The number eightteen thousand one hundred and thirty-nine in 35 different bases