The Number

1265

One Thousand Two Hundred and Sixty-Five

In Base 2 Binary Is

100111100012

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
1266
100111100102
One Thousand Two Hundred and Sixty-Six in Base 2 Binary
1267
100111100112
One Thousand Two Hundred and Sixty-Seven in Base 2 Binary
1268
100111101002
One Thousand Two Hundred and Sixty-Eight in Base 2 Binary

Scientific Notation

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

1.265e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000000000011001111001110100111110001000001100100011000000101012

The reciprocal of 1265 in Base 2 Binary.

Palindrome?

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

The number 100111100012 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-five is a composite number with 8 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-five 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 sixty-five has the following 3 prime factors:

5
1012
Five in Base 2 Binary
11
10112
Eleven in Base 2 Binary
23
101112
Twenty-Three in Base 2 Binary

Prime Factorization

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

10121 · 101121 · 1011121 = 100111100012

Base Conversions

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