This mission's NORAD Number is 27388
Mark will be on board the 229th humanned orbital mission, Soyuz TM-34. This will be the 93rd humanned Russian space vehicle to reach orbit, (16 US shuttle missions have also carried Russians into orbit).
Vittori and Mark will be the 415th and 416th humans to reach orbit. They will be the 378th and 379th men in orbit. If you count every human into orbit as a single 'ticket' (many have flown multiple tickets), Vittori and Mark will have human-to-orbit tickets #922 and #923.