The Number

18643

Eightteen Thousand Six Hundred and Forty-Three

In Base 13 Tridecimal Is

864113

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

18640
863b13
Eightteen Thousand Six Hundred and Forty in Base 13 Tridecimal
18641
863c13
Eightteen Thousand Six Hundred and Forty-One in Base 13 Tridecimal
18642
864013
Eightteen Thousand Six Hundred and Forty-Two in Base 13 Tridecimal
18644
864213
Eightteen Thousand Six Hundred and Forty-Four in Base 13 Tridecimal
18645
864313
Eightteen Thousand Six Hundred and Forty-Five in Base 13 Tridecimal
18646
864413
Eightteen Thousand Six Hundred and Forty-Six in Base 13 Tridecimal

Scientific Notation

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

1.8643e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00016bba4493221a4213

The reciprocal of 18643 in Base 13 Tridecimal.

Palindrome?

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

The number 864113 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 six hundred and forty-three is a composite number with 4 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand six hundred and forty-three 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 six hundred and forty-three has the following 2 prime factors:

103
7c13
One Hundred and Three in Base 13 Tridecimal
181
10c13
One Hundred and Eighty-One in Base 13 Tridecimal

Prime Factorization

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

7c131 · 10c131 = 864113

Base Conversions

The number eightteen thousand six hundred and forty-three in 35 different bases