The Number

280640

Two Hundred and Eighty Thousand Six Hundred and Forty

In Base 13 Tridecimal Is

9a97913

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

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

Nearby Numbers

Positive, nonzero integers within three units

280637
9a97613
Two Hundred and Eighty Thousand Six Hundred and Thirty-Seven in Base 13 Tridecimal
280638
9a97713
Two Hundred and Eighty Thousand Six Hundred and Thirty-Eight in Base 13 Tridecimal
280639
9a97813
Two Hundred and Eighty Thousand Six Hundred and Thirty-Nine in Base 13 Tridecimal
280641
9a97a13
Two Hundred and Eighty Thousand Six Hundred and Forty-One in Base 13 Tridecimal
280642
9a97b13
Two Hundred and Eighty Thousand Six Hundred and Forty-Two in Base 13 Tridecimal
280643
9a97c13
Two Hundred and Eighty Thousand Six Hundred and Forty-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.

2.80640e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000014278ac41ab030213

The reciprocal of 280640 in Base 13 Tridecimal.

Palindrome?

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

The number 9a97913 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 thousand six hundred and forty is a composite number with 28 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 thousand six hundred and forty is a composite number with 28 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 thousand six hundred and forty has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
877
52613
Eight Hundred and Seventy-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

2136 · 5131 · 526131 = 9a97913

Base Conversions

The number two hundred and eighty thousand six hundred and forty in 35 different bases