The Number

1261

One Thousand Two Hundred and Sixty-One

In Base 2 Binary Is

100111011012

The numbers with a 2 subscript use Base 2 Binary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1258
100111010102
One Thousand Two Hundred and Fifty-Eight in Base 2 Binary
1259
100111010112
One Thousand Two Hundred and Fifty-Nine in Base 2 Binary
1260
100111011002
One Thousand Two Hundred and Sixty in Base 2 Binary
1262
100111011102
One Thousand Two Hundred and Sixty-Two in Base 2 Binary
1263
100111011112
One Thousand Two Hundred and Sixty-Three in Base 2 Binary
1264
100111100002
One Thousand Two Hundred and Sixty-Four in Base 2 Binary

Scientific Notation

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

1.261e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000000000011001111111000101100010000011100011011000000000011012

The reciprocal of 1261 in Base 2 Binary.

Palindrome?

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

The number 100111011012 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 sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 2 Binary

A Composite

Composites have more than just these two factors.

One thousand two hundred and sixty-one is a composite number with 4 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 sixty-one has the following 2 prime factors:

13
11012
Thirteen in Base 2 Binary
97
11000012
Ninety-Seven in Base 2 Binary

Prime Factorization

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

110121 · 110000121 = 100111011012

Base Conversions

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