The Number

280

Two Hundred and Eighty

In Base 13 Tridecimal Is

18713

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

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

Nearby Numbers

Positive, nonzero integers within three units

277
18413
Two Hundred and Seventy-Seven in Base 13 Tridecimal
278
18513
Two Hundred and Seventy-Eight in Base 13 Tridecimal
279
18613
Two Hundred and Seventy-Nine in Base 13 Tridecimal
281
18813
Two Hundred and Eighty-One in Base 13 Tridecimal
282
18913
Two Hundred and Eighty-Two in Base 13 Tridecimal
283
18a13
Two Hundred and Eighty-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.

2.80e2

Reciprocal

A number multiplied with its reciprocal is one.

0.007b007b007b007b413

The reciprocal of 280 in Base 13 Tridecimal.

Palindrome?

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

The number 18713 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 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.

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

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
7
713
Seven 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 · 7131 = 18713

Base Conversions

The number two hundred and eighty in 35 different bases