The Number

285

Two Hundred and Eighty-Five

In Base 13 Tridecimal Is

18c13

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

For more familiar numbers: See Two Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

282
18913
Two Hundred and Eighty-Two in Base 13 Tridecimal
283
18a13
Two Hundred and Eighty-Three in Base 13 Tridecimal
284
18b13
Two Hundred and Eighty-Four in Base 13 Tridecimal
286
19013
Two Hundred and Eighty-Six in Base 13 Tridecimal
287
19113
Two Hundred and Eighty-Seven in Base 13 Tridecimal
288
19213
Two Hundred and Eighty-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.

2.85e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00792a230964569a413

The reciprocal of 285 in Base 13 Tridecimal.

Palindrome?

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

The number 18c13 is not a palindrome.

Not A Prime Number

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

Two hundred and eighty-five 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.

Two hundred and eighty-five 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 two hundred and eighty-five has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
19
1613
Nineteen in Base 13 Tridecimal

Prime Factorization

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

3131 · 5131 · 16131 = 18c13

Base Conversions

The number two hundred and eighty-five in 35 different bases