The Number

19918

Nineteen Thousand Nine Hundred and Eightteen

In Base 13 Tridecimal Is

90b213

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

For more familiar numbers: See Nineteen Thousand Nine Hundred and Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

19915
90ac13
Nineteen Thousand Nine Hundred and Fifteen in Base 13 Tridecimal
19916
90b013
Nineteen Thousand Nine Hundred and Sixteen in Base 13 Tridecimal
19917
90b113
Nineteen Thousand Nine Hundred and Seventeen in Base 13 Tridecimal
19919
90b313
Nineteen Thousand Nine Hundred and Nineteen in Base 13 Tridecimal
19920
90b413
Nineteen Thousand Nine Hundred and Twenty in Base 13 Tridecimal
19921
90b513
Nineteen Thousand Nine Hundred and Twenty-One in Base 13 Tridecimal

Scientific Notation

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

1.9918e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000158445ac1301a9413

The reciprocal of 19918 in Base 13 Tridecimal.

Palindrome?

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

The number 90b213 is not a palindrome.

Not A Prime Number

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

Nineteen thousand nine hundred and eightteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Nineteen thousand nine hundred and eightteen 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 nineteen thousand nine hundred and eightteen has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
23
1a13
Twenty-Three in Base 13 Tridecimal
433
27413
Four Hundred and Thirty-Three in Base 13 Tridecimal

Prime Factorization

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

2131 · 1a131 · 274131 = 90b213

Base Conversions

The number nineteen thousand nine hundred and eightteen in 35 different bases