The Number

1220

One Thousand Two Hundred and Twenty

In Base 13 Tridecimal Is

72b13

The numbers with a 13 subscript use Base 13 Tridecimal 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
72813
One Thousand Two Hundred and Seventeen in Base 13 Tridecimal
1218
72913
One Thousand Two Hundred and Eightteen in Base 13 Tridecimal
1219
72a13
One Thousand Two Hundred and Nineteen in Base 13 Tridecimal
1221
72c13
One Thousand Two Hundred and Twenty-One in Base 13 Tridecimal
1222
73013
One Thousand Two Hundred and Twenty-Two in Base 13 Tridecimal
1223
73113
One Thousand Two Hundred and Twenty-Three in Base 13 Tridecimal

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.

0.001a545297a7001a513

The reciprocal of 1220 in Base 13 Tridecimal.

Palindrome?

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

The number 72b13 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 twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

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
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
61
4913
Sixty-One in Base 13 Tridecimal

Prime Factorization

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

2132 · 5131 · 49131 = 72b13

Base Conversions

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