The Number

1280

One Thousand Two Hundred and Eighty

In Base 31 Untrigesimal Is

1a931

The numbers with a 31 subscript use Base 31 Untrigesimal 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
1a631
One Thousand Two Hundred and Seventy-Seven in Base 31 Untrigesimal
1278
1a731
One Thousand Two Hundred and Seventy-Eight in Base 31 Untrigesimal
1279
1a831
One Thousand Two Hundred and Seventy-Nine in Base 31 Untrigesimal
1281
1aa31
One Thousand Two Hundred and Eighty-One in Base 31 Untrigesimal
1282
1ab31
One Thousand Two Hundred and Eighty-Two in Base 31 Untrigesimal
1283
1ac31
One Thousand Two Hundred and Eighty-Three in Base 31 Untrigesimal

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.

0.00n8fg7o00n8i31

The reciprocal of 1280 in Base 31 Untrigesimal.

Palindrome?

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

The number 1a931 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 31 Untrigesimal

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
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal

Prime Factorization

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

2318 · 5311 = 1a931

Base Conversions

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