The Number

1220

One Thousand Two Hundred and Twenty

In Base 12 Duodecimal Is

85812

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

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

Nearby Numbers

Positive, nonzero integers within three units

1217
85512
One Thousand Two Hundred and Seventeen in Base 12 Duodecimal
1218
85612
One Thousand Two Hundred and Eightteen in Base 12 Duodecimal
1219
85712
One Thousand Two Hundred and Nineteen in Base 12 Duodecimal
1221
85912
One Thousand Two Hundred and Twenty-One in Base 12 Duodecimal
1222
85a12
One Thousand Two Hundred and Twenty-Two in Base 12 Duodecimal
1223
85b12
One Thousand Two Hundred and Twenty-Three in Base 12 Duodecimal

Scientific Notation

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

1.220e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0014bb6401a7b4542512

The reciprocal of 1220 in Base 12 Duodecimal.

Palindrome?

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

The number 85812 is 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 twenty 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 twenty 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 twenty has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
61
5112
Sixty-One in Base 12 Duodecimal

Prime Factorization

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

2122 · 5121 · 51121 = 85812

Base Conversions

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