The Number
1280
One Thousand Two Hundred and Eighty
In Base 15 Quindecimal Is
5a515
The numbers with a 15 subscript use Base 15 Quindecimal notation.
For more familiar numbers: See One Thousand Two Hundred and Eighty in Base 10 Decimal
Nearby Numbers
Positive, nonzero integers within three units
Scientific Notation
Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.
1.280e3
Reciprocal
A number multiplied with its reciprocal is one.
0.002983dd47a20b6615
The reciprocal of 1280 in Base 15 Quindecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 5a515 is a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
One thousand two hundred and eighty is a composite number with 18 total factors (including 1 and itself). See primes in Base 15 Quindecimal
A Composite
Composites have more than just these two factors.
One thousand two hundred and eighty is a composite number with 18 total factors (including 1 and itself).
Prime Factors
The number one thousand two hundred and eighty has the following 2 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2158
·
5151
= 5a515
Base Conversions
The number one thousand two hundred and eighty in 35 different bases