The Number

18520

Eightteen Thousand Five Hundred and Twenty

In Base 13 Tridecimal Is

857813

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

For more familiar numbers: See Eightteen Thousand Five Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18517
857513
Eightteen Thousand Five Hundred and Seventeen in Base 13 Tridecimal
18518
857613
Eightteen Thousand Five Hundred and Eightteen in Base 13 Tridecimal
18519
857713
Eightteen Thousand Five Hundred and Nineteen in Base 13 Tridecimal
18521
857913
Eightteen Thousand Five Hundred and Twenty-One in Base 13 Tridecimal
18522
857a13
Eightteen Thousand Five Hundred and Twenty-Two in Base 13 Tridecimal
18523
857b13
Eightteen Thousand Five Hundred and Twenty-Three in Base 13 Tridecimal

Scientific Notation

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

1.8520e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00017081c209c2568113

The reciprocal of 18520 in Base 13 Tridecimal.

Palindrome?

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

The number 857813 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 five hundred and twenty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand five hundred and twenty 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 five hundred and twenty has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
463
29813
Four Hundred and Sixty-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

2133 · 5131 · 298131 = 857813

Base Conversions

The number eightteen thousand five hundred and twenty in 35 different bases