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 Dowden — 4822
An Socach (Glen Ey) — 21 October 2004
David notes: First Munro blunder was Ben Lawers in February 1977 and eventually before navigation skills deteriorated further finished off 21st October 2004 on An Socach ( M227) Eastern Cairngorms, followed by a few celebration drinks in Braemar over the weekend.