The Number

1221

One Thousand Two Hundred and Twenty-One

In Base 5 Quinary Is

143415

The numbers with a 5 subscript use Base 5 Quinary 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
143335
One Thousand Two Hundred and Eightteen in Base 5 Quinary
1219
143345
One Thousand Two Hundred and Nineteen in Base 5 Quinary
1220
143405
One Thousand Two Hundred and Twenty in Base 5 Quinary
1222
143425
One Thousand Two Hundred and Twenty-Two in Base 5 Quinary
1223
143435
One Thousand Two Hundred and Twenty-Three in Base 5 Quinary
1224
143445
One Thousand Two Hundred and Twenty-Four in Base 5 Quinary

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.

0.00002234430114121434314245

The reciprocal of 1221 in Base 5 Quinary.

Palindrome?

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

The number 143415 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-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 5 Quinary

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
35
Three in Base 5 Quinary
11
215
Eleven in Base 5 Quinary
37
1225
Thirty-Seven in Base 5 Quinary

Prime Factorization

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

351 · 2151 · 12251 = 143415

Base Conversions

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