The Number

1345

One Thousand Three Hundred and Forty-Five

In Base 2 Binary Is

101010000012

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

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

Nearby Numbers

Positive, nonzero integers within three units

1342
101001111102
One Thousand Three Hundred and Forty-Two in Base 2 Binary
1343
101001111112
One Thousand Three Hundred and Forty-Three in Base 2 Binary
1344
101010000002
One Thousand Three Hundred and Forty-Four in Base 2 Binary
1346
101010000102
One Thousand Three Hundred and Forty-Six in Base 2 Binary
1347
101010000112
One Thousand Three Hundred and Forty-Seven in Base 2 Binary
1348
101010001002
One Thousand Three Hundred and Forty-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.

1.345e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000000110000101110011100010000111100001001010100111000111012

The reciprocal of 1345 in Base 2 Binary.

Palindrome?

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

The number 101010000012 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 three hundred and forty-five 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 three hundred and forty-five 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 three hundred and forty-five has the following 2 prime factors:

5
1012
Five in Base 2 Binary
269
1000011012
Two Hundred and Sixty-Nine 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 · 10000110121 = 101010000012

Base Conversions

The number one thousand three hundred and forty-five in 35 different bases