The Number

1280

One Thousand Two Hundred and Eighty

In Base 13 Tridecimal Is

77613

The numbers with a 13 subscript use Base 13 Tridecimal 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
77313
One Thousand Two Hundred and Seventy-Seven in Base 13 Tridecimal
1278
77413
One Thousand Two Hundred and Seventy-Eight in Base 13 Tridecimal
1279
77513
One Thousand Two Hundred and Seventy-Nine in Base 13 Tridecimal
1281
77713
One Thousand Two Hundred and Eighty-One in Base 13 Tridecimal
1282
77813
One Thousand Two Hundred and Eighty-Two in Base 13 Tridecimal
1283
77913
One Thousand 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.

1.280e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001940c3819ac275413

The reciprocal of 1280 in Base 13 Tridecimal.

Palindrome?

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

The number 77613 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 13 Tridecimal

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
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal

Prime Factorization

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

2138 · 5131 = 77613

Base Conversions

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