The Number

1220

One Thousand Two Hundred and Twenty

In Base 11 Undecimal Is

a0a11

The numbers with a 11 subscript use Base 11 Undecimal 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
a0711
One Thousand Two Hundred and Seventeen in Base 11 Undecimal
1218
a0811
One Thousand Two Hundred and Eightteen in Base 11 Undecimal
1219
a0911
One Thousand Two Hundred and Nineteen in Base 11 Undecimal
1221
a1011
One Thousand Two Hundred and Twenty-One in Base 11 Undecimal
1222
a1111
One Thousand Two Hundred and Twenty-Two in Base 11 Undecimal
1223
a1211
One Thousand Two Hundred and Twenty-Three in Base 11 Undecimal

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.

0.001100110011001111

The reciprocal of 1220 in Base 11 Undecimal.

Palindrome?

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

The number a0a11 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 11 Undecimal

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
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
61
5611
Sixty-One in Base 11 Undecimal

Prime Factorization

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

2112 · 5111 · 56111 = a0a11

Base Conversions

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