The Number

1165

One Thousand One Hundred and Sixty-Five

In Base 12 Duodecimal Is

81112

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

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

Nearby Numbers

Positive, nonzero integers within three units

1162
80a12
One Thousand One Hundred and Sixty-Two in Base 12 Duodecimal
1163
80b12
One Thousand One Hundred and Sixty-Three in Base 12 Duodecimal
1164
81012
One Thousand One Hundred and Sixty-Four in Base 12 Duodecimal
1166
81212
One Thousand One Hundred and Sixty-Six in Base 12 Duodecimal
1167
81312
One Thousand One Hundred and Sixty-Seven in Base 12 Duodecimal
1168
81412
One Thousand One Hundred and Sixty-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.

1.165e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0015970b0015970ab712

The reciprocal of 1165 in Base 12 Duodecimal.

Palindrome?

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

The number 81112 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 one hundred and sixty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

One thousand one hundred and sixty-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 one hundred and sixty-five has the following 2 prime factors:

5
512
Five in Base 12 Duodecimal
233
17512
Two Hundred and Thirty-Three in Base 12 Duodecimal

Prime Factorization

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

5121 · 175121 = 81112

Base Conversions

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