The Number

1221

One Thousand Two Hundred and Twenty-One

In Base 21 Unovigesimal Is

2g321

The numbers with a 21 subscript use Base 21 Unovigesimal 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
2g021
One Thousand Two Hundred and Eightteen in Base 21 Unovigesimal
1219
2g121
One Thousand Two Hundred and Nineteen in Base 21 Unovigesimal
1220
2g221
One Thousand Two Hundred and Twenty in Base 21 Unovigesimal
1222
2g421
One Thousand Two Hundred and Twenty-Two in Base 21 Unovigesimal
1223
2g521
One Thousand Two Hundred and Twenty-Three in Base 21 Unovigesimal
1224
2g621
One Thousand Two Hundred and Twenty-Four in Base 21 Unovigesimal

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.

0.007c5iakgdkd8f21

The reciprocal of 1221 in Base 21 Unovigesimal.

Palindrome?

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

The number 2g321 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 21 Unovigesimal

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
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · b211 · 1g211 = 2g321

Base Conversions

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