Who wants to celebrate a normal birthday? Why not celebrate a mathematical birthday instead? They're much more fun! Subscribe to Earth Lab: http://bit.ly/SubscribeToEarthLab When you are 20 years old you will celebrate your 250th month birthday. You'll be 41 when you turn 500 and when you're 62 you'll pass 750 months and when you're 83 you'll have your 1000 month birthday. When you're 19 you'll pass 1000 weeks old, when you're 38 you'll pass 2000 week old, when you're 57 you'll pass 3000 weeks and 4000 weeks when you're 76, and 5000 weeks when you're 95 years old! You turn 10,000 hours when you're 11 years old, you are 20,000 hours old when you hit 22, and 30,000 hours when you are 34, 40,000 hours when you're 45 years old and 50,000 hours when you're 57 years old. Don't forget to check out when your mathematical birthday is! NumberHub with Matt Parker Stand up mathematicians reveal the mind boggling stats and figures that make up the modern world. Prime Birthdays: http://primebirthday.org/ Special Age Calculator: http://www.timeanddate.com/date/birth... Nerdiversary: http://nerdiversary.com/ Now for the Numbers. 365.2425 days in a year, on average 1 / 365.2425 = 0.0027378845 = 0.274% I am currently 11,987 days old, my 1,438th prime birthday. Between 0 and 100 years there are 36,524 days of which 3,871 are prime: 10.6% Between 0 and 10 years there are 3652 days of which 510 are prime: 14% Between 40 and 50 years there are 3652 days of which 383 are prime: 10.5% Between 90 and 100 years there are 3652 days of which 347 are prime: 9.5% Of 365 days of being 31, 33 days are prime: 9.04% Of 365 days of bring 32, 42 days are prime: 11.51% 99 to 100: 8.77% 999 to 1,000: 8.20% 9,999 to 10,000: 6.03% 99,999 to 100,000: 5.75% What about 1 billion seconds OR 1,000 months OR 50,000 hours? Month 20 250 41 500 62 750 83 1,000 Week 19 1,000 38 2,000 57 3,000 76 4,000 95 5,000 Days 27 10,000 54 20,000 82 30,000 Hours 11 10,000 22 20,000 34 30,000 45 40,000 57 50,000 3,000! WEEK, 68 60,000 79 70,000 91 80,000 Minutes 19 10 mil MINUTES 1,000! WEEK, 38 20 mil MINUTES 2,000! WEEK, 57 30 mil MINUTES 3,000! WEEK, 50,000! HOURS, 76 40 mil MINUTES 4,000! WEEK, 95 50 mil MINUTES 5,000! WEEK, Seconds 15 0.5 bn SECONDS 31 1 bn SECONDS 47 1.5 bn SECONDS 63 2 bn SECONDS 79 2.5 bn SECONDS 70,000! HOURS, 95 3 bn SECONDS 5,000! WEEK, 50 mil MINUTES, PI = 3y 52 days 10xPI = 31y 152 days PI^3 = 31y 3 days PI^PI = 36y 169 days Welcome to BBC Earth Lab! Here we answer all your curious questions about science in the world around you. Want to share your views? Join our fan panel here: http://tinyurl.com/YouTube-BBCEarth-F... This is a channel from BBC Studios who help fund new BBC programmes.Service information and feedback: http://bbcworldwide.com/vod-feedback-...
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