The Number

18405

Eightteen Thousand Four Hundred and Five

In Base 13 Tridecimal Is

84ba13

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

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

Nearby Numbers

Positive, nonzero integers within three units

18402
84b713
Eightteen Thousand Four Hundred and Two in Base 13 Tridecimal
18403
84b813
Eightteen Thousand Four Hundred and Three in Base 13 Tridecimal
18404
84b913
Eightteen Thousand Four Hundred and Four in Base 13 Tridecimal
18406
84bb13
Eightteen Thousand Four Hundred and Six in Base 13 Tridecimal
18407
84bc13
Eightteen Thousand Four Hundred and Seven in Base 13 Tridecimal
18408
84c013
Eightteen Thousand Four Hundred and Eight in Base 13 Tridecimal

Scientific Notation

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

1.8405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000172341bc29256a513

The reciprocal of 18405 in Base 13 Tridecimal.

Palindrome?

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

The number 84ba13 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 four hundred and five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Eightteen thousand four hundred and five is a composite number with 12 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 four hundred and five has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
409
25613
Four Hundred and Nine in Base 13 Tridecimal

Prime Factorization

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

3132 · 5131 · 256131 = 84ba13

Base Conversions

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