The Number

1281

One Thousand Two Hundred and Eighty-One

In Base 22 Duovigesimal Is

2e522

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1278
2e222
One Thousand Two Hundred and Seventy-Eight in Base 22 Duovigesimal
1279
2e322
One Thousand Two Hundred and Seventy-Nine in Base 22 Duovigesimal
1280
2e422
One Thousand Two Hundred and Eighty in Base 22 Duovigesimal
1282
2e622
One Thousand Two Hundred and Eighty-Two in Base 22 Duovigesimal
1283
2e722
One Thousand Two Hundred and Eighty-Three in Base 22 Duovigesimal
1284
2e822
One Thousand Two Hundred and Eighty-Four in Base 22 Duovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.281e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0086j2jigl6b4822

The reciprocal of 1281 in Base 22 Duovigesimal.

Palindrome?

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

The number 2e522 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-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

One thousand two hundred and eighty-one is a composite number with 8 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-one has the following 3 prime factors:

3
322
Three in Base 22 Duovigesimal
7
722
Seven in Base 22 Duovigesimal
61
2h22
Sixty-One in Base 22 Duovigesimal

Prime Factorization

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

3221 · 7221 · 2h221 = 2e522

Base Conversions

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