Those who complete (compleat!) the Munros can record this fact and receive the magic number by writing in to The Clerk of The List (See here). Additionally, a list of current compleaters is published annually in the SMC Journal.
David Jones — 4992
Beinn an Dothaidh — 19 May 2012
David notes: this is me approaching the summit of Beinn an Dothaidh on May 19, ending a project that had taken slightly over ten years. Amongst the 40 or so friends who held my hand that day were four compleaters whose ranks I proudly joined.