60 & 104 not out - Cook's scores on his Test debut, against India in March 2006.
294 - His highest Test score, against India in August 2011.
23 - Cook became the first England batsman to make 23 Test centuries when he reached three figures against India in Kolkata today.
27 years, 347 days - His age as he became the youngest batsman to reach 7,000 Test runs.
86 - The number of Tests Cook took to reach those two landmarks.
50.34 - Cook's Test average at the end of today's play.
Five - Cook has now made centuries in his first five Tests as England captain, including two Tests against Bangladesh as a stand-in in 2010.
29 - The number of Test half-centuries he has made, giving him a superb conversion rate of 44 per cent from fifties to hundreds.
26 - However, he went 26 innings without reaching three figures between March 2008 and February 2009.
766 - His cumulative runs in the 2010-11 Ashes series.
3,536 and nine - his tally of runs and centuries before his 25th birthday, both comfortable England records.
214 - his score for Essex against the touring Australians in 2005 which helped bring him to England's attention.