Sahih Bukhari

Narrated Qatada:I said to Sa`id bin Al-Musaiyab, ""I have been informed that Jabir bin `Abdullah said that the number (of Al-Hudaibiya Muslim warriors) was 1400."" Sa`id said to me, ""Jabir narrated to me that they were 1500 who gave the Pledge of allegiance to the Prophet (ﷺ) on the day of Al-Hudaibiya