The Number

1280

One Thousand Two Hundred and Eighty

In Base 20 Vigesimal Is

34020

The numbers with a 20 subscript use Base 20 Vigesimal 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
33h20
One Thousand Two Hundred and Seventy-Seven in Base 20 Vigesimal
1278
33i20
One Thousand Two Hundred and Seventy-Eight in Base 20 Vigesimal
1279
33j20
One Thousand Two Hundred and Seventy-Nine in Base 20 Vigesimal
1281
34120
One Thousand Two Hundred and Eighty-One in Base 20 Vigesimal
1282
34220
One Thousand Two Hundred and Eighty-Two in Base 20 Vigesimal
1283
34320
One Thousand Two Hundred and Eighty-Three in Base 20 Vigesimal

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.

0.006520

The reciprocal of 1280 in Base 20 Vigesimal.

Palindrome?

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

The number 34020 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal

Prime Factorization

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

2208 · 5201 = 34020

Base Conversions

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