The Number

1280

One Thousand Two Hundred and Eighty

In Base 5 Quinary Is

201105

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1277
201025
One Thousand Two Hundred and Seventy-Seven in Base 5 Quinary
1278
201035
One Thousand Two Hundred and Seventy-Eight in Base 5 Quinary
1279
201045
One Thousand Two Hundred and Seventy-Nine in Base 5 Quinary
1281
201115
One Thousand Two Hundred and Eighty-One in Base 5 Quinary
1282
201125
One Thousand Two Hundred and Eighty-Two in Base 5 Quinary
1283
201135
One Thousand Two Hundred and Eighty-Three in Base 5 Quinary

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.

0.0000221004144124233410434315

The reciprocal of 1280 in Base 5 Quinary.

Palindrome?

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

The number 201105 is not 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 5 Quinary

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 prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand two hundred and eighty has the following 2 prime factors:

2
25
Two in Base 5 Quinary
5
105
Five in Base 5 Quinary

Prime Factorization

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

258 · 1051 = 201105

Base Conversions

The number one thousand two hundred and eighty in 35 different bases