The Number

1220

One Thousand Two Hundred and Twenty

In Base 15 Quindecimal Is

56515

The numbers with a 15 subscript use Base 15 Quindecimal 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
56215
One Thousand Two Hundred and Seventeen in Base 15 Quindecimal
1218
56315
One Thousand Two Hundred and Eightteen in Base 15 Quindecimal
1219
56415
One Thousand Two Hundred and Nineteen in Base 15 Quindecimal
1221
56615
One Thousand Two Hundred and Twenty-One in Base 15 Quindecimal
1222
56715
One Thousand Two Hundred and Twenty-Two in Base 15 Quindecimal
1223
56815
One Thousand Two Hundred and Twenty-Three in Base 15 Quindecimal

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.

0.002b768a04925e6a15

The reciprocal of 1220 in Base 15 Quindecimal.

Palindrome?

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

The number 56515 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 15 Quindecimal

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
215
Two in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
61
4115
Sixty-One in Base 15 Quindecimal

Prime Factorization

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

2152 · 5151 · 41151 = 56515

Base Conversions

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