The Number

1215

One Thousand Two Hundred and Fifteen

In Base 12 Duodecimal Is

85312

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

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

Nearby Numbers

Positive, nonzero integers within three units

1212
85012
One Thousand Two Hundred and Twelve in Base 12 Duodecimal
1213
85112
One Thousand Two Hundred and Thirteen in Base 12 Duodecimal
1214
85212
One Thousand Two Hundred and Fourteen in Base 12 Duodecimal
1216
85412
One Thousand Two Hundred and Sixteen in Base 12 Duodecimal
1217
85512
One Thousand Two Hundred and Seventeen in Base 12 Duodecimal
1218
85612
One Thousand Two Hundred and Eightteen in Base 12 Duodecimal

Scientific Notation

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

1.215e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00150972497249724a12

The reciprocal of 1215 in Base 12 Duodecimal.

Palindrome?

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

The number 85312 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 fifteen 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 two hundred and fifteen 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 two hundred and fifteen has the following 2 prime factors:

3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal

Prime Factorization

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

3125 · 5121 = 85312

Base Conversions

The number one thousand two hundred and fifteen in 35 different bases