The Number

1305

One Thousand Three Hundred and Five

In Base 12 Duodecimal Is

90912

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1302
90612
One Thousand Three Hundred and Two in Base 12 Duodecimal
1303
90712
One Thousand Three Hundred and Three in Base 12 Duodecimal
1304
90812
One Thousand Three Hundred and Four in Base 12 Duodecimal
1306
90a12
One Thousand Three Hundred and Six in Base 12 Duodecimal
1307
90b12
One Thousand Three Hundred and Seven in Base 12 Duodecimal
1308
91012
One Thousand Three Hundred and Eight in Base 12 Duodecimal

Scientific Notation

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

1.305e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0013a813a813a813a812

The reciprocal of 1305 in Base 12 Duodecimal.

Palindrome?

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

The number 90912 is 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 five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

One thousand three hundred and five is a composite number with 12 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 five has the following 3 prime factors:

3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
29
2512
Twenty-Nine in Base 12 Duodecimal

Prime Factorization

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

3122 · 5121 · 25121 = 90912

Base Conversions

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