What is the meaning of 427?

What does these mean in maths? You were born nov 5 1971 how old are you? How many pentagons tessellate to make a 3d shape? How many years has it been since 1753? Grandma's clock gains 15 minutes every hour she begins at midday after dinner her clock reads 720 what is time on Grandma's clock? What completes the number sequence 2 6 3 8 6 12? Is 0.63 greater or less then 0.452? How do you find the LCM of 2 numbers if one number is prime? What do you call a perfectly round 3d shape that looks like a ball? How many month is 19 weeks and 3 days? What is 1.5 percent of 40000.00? What does 500 seconds equal in minutes? What is 0.805 as a fraction? How many gallons of water in a pool with 50 foot radius holding 4.5 feet? IS-235.c Emergency Planning answers? How do you break apart 3 times seven? What is the diameter of Neptune in feet? Is it possible to have adjacent angles that are also vertical angles and why? How much do surgical residents make a year? How much interest on 15000 a month?