The Number

1221

One Thousand Two Hundred and Twenty-One

In Base 9 Nonary Is

16069

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1218
16039
One Thousand Two Hundred and Eightteen in Base 9 Nonary
1219
16049
One Thousand Two Hundred and Nineteen in Base 9 Nonary
1220
16059
One Thousand Two Hundred and Twenty in Base 9 Nonary
1222
16079
One Thousand Two Hundred and Twenty-Two in Base 9 Nonary
1223
16089
One Thousand Two Hundred and Twenty-Three in Base 9 Nonary
1224
16109
One Thousand Two Hundred and Twenty-Four in Base 9 Nonary

Scientific Notation

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

1.221e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000533222624616463479

The reciprocal of 1221 in Base 9 Nonary.

Palindrome?

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

The number 16069 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-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

One thousand two hundred and twenty-one is a composite number with 8 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-one has the following 3 prime factors:

3
39
Three in Base 9 Nonary
11
129
Eleven in Base 9 Nonary
37
419
Thirty-Seven in Base 9 Nonary

Prime Factorization

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

391 · 1291 · 4191 = 16069

Base Conversions

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