udiv by 9993: magic=2746836385 (0xa3b965a1); shift=14;
udiv by 8089: magic=2174828291 (0x81a13f03); shift=12
udiv by 1001: magic=98685563   (0x05e1d27b); shift=10;
udiv by 1419: magic=24214051   (0x01717a23); shift=3
udiv by 6019: magic=2854273    (0x002b8d81); shift=2 
udiv by 4765: magic=3605429    (0x003703b5); shift=2 
udiv by 6147: magic=1397419    (0x001552ab); shift=1 
udiv by 2049: magic=4192257    (0x003ff801); shift=1