home
geometry
ASA2
curriculum
puzzles
articles
books
download
about us
try a short tour
MathsNet.com
The DAILY mathematical fact for
In 1999, 33 year-olds had their factor 2 birthday, 11 year-olds their factor 8, 9 year-olds their factor 10 and 3 year-olds their factor 32. In 2000, 20 year-olds have their factor 4 birthday. (see
Factor birthdays
)
Principal sources:
History of mathematics
web-site; Encyclopedia of International Sports Records and Results, Guinness; FunMaths Calendar, QED;
The Penguin Dictionary of Curious and Interesting Numbers, David Wells
; Numbers, Richard Phillips, CUP
Go to
MathsNet.com
to purchase mathematics resources
![BBCi: Javascript is not
available
on this browser](http://newsimg.bbc.co.uk/shared/bsp/hi/services/htmlsyndication/img/synd_js_error_js-inactive.gif")
