7221
7221 is a natural number that follows 7220 and precedes 7222. It is an odd number. In Roman numerals, 7221 is represented as VMMCCXXI. Its prime factorization is 3 * 2407. Both 3 and 2407 are prime numbers. The number 7221 can be expressed as the sum of two squares in multiple ways, for example, 60^2 + 86^2 = 3600 + 7396 = 10996, and 70^2 + 52^2 = 4900 + 2704 = 7604. Checking other sums of squares is a common mathematical exploration. The square root of 7221 is approximately 84.976. In base 10, the digits are 7, 2, 2, and 1. The sum of these digits is 7 + 2 + 2 + 1 = 12. The number 7221 does not hold any widely recognized mathematical constants or properties that are commonly referenced. Its significance is primarily as a sequential integer within the number system.