549, 580, 594
549, 580, 594
549 is composite, because it is divisible by 1, 3, 9, 61, 183 and 549. A prime number may be divisible only by 1 and itself. The sum of the digits in 549 equals 18. which is divisible by 3. That means 549 is divisible by 3 in addition to 1 and itself.
1, 3, 9, 61, 183, 549.
Numbers from 450 to 549.
500
A. 45 to 54 -- 10 numbers B. 450 to 549 -- 100 numbers
252
450 to 549
500
450 to 549
450 to 549
549 written as a percentage is 54900%. 549: = 549 * 100% = 54900%