They have the same number value, so on a basic level, neither is bigger. (Unless you are talking about the actual length of two [0521 being 4 and 521 being 3] where 0521 would be bigger, but I doubt that you are.)
Yes. 5.21 cm= .0521 m= .0000521 km= .521 dm= 52.1 mm
The address of the Rockwall County Genealogical Society is: Po Box 521, Rockwall, TX 75087-0521
The address of the Rangeley Lakes Region Historical Society is: Po Box 521, Rangeley, ME 04970-0521
The address of the Greater Beulaville Revitalization Inc is: Po Box 521, Beulaville, NC 28518-0521
The address of the San Ramon Valley Historical Society is: Po Box 521, Danville, CA 94526-0521
The address of the Lawrenc County Civic Center Reg Hst is: Po Box 521, Monticello, MS 39654-0521
The address of the Montana Law Enforcement Museum is: Po Box 0521, Great Falls, MT 59403-0521
It is: 1*521 = 521 which is a prime number
The positive integer factors of 521 are: 1, 521
Unique Oak Treasures
decimal for 521 percent = 5.21521% = 521%/100% = 5.21
32x-521 = -489