·
The implicit curve equation (x2+y2-1)3-x2y3=0
produces the heart shape.
·
The term Googol (10 followed by 100 zeros) was
invented by a 9-year old boy Milton Sirotta.
·
·
1089 multiplied by 9 gives an exact reverse:
9801.
·
From 0 to 1000, the letter "A" only
appears in 1000 ("one thousand").
·
2 is called the "oddest" Even-Prime
number. 2 is a unique Even-Prime because while all Evens are divisible by 2,
any number apart from 2 that is divisible by 2, is not a Prime.
·
40 when written "forty" is the only
number with letters in alphabetical order, while "one" is the only
one with letters in reverse order.
·
A dollar can be made into small change in 293
ways.
·
If you add up the numbers 1-100 consecutively
(1+2+3+4+5...) the total is 5050.
·
2 and 5 are the only prime numbers that end in 2
or 5.
·
The largest known prime number (so far) is
12,978,189 digits long.
·
The digits to the right of the Pi's (3.141...)
decimal point can keep going forever, and there is no pattern to these digits
at all.
Regards
nice way of teaching kids..
ReplyDeletecool math games for kids