- (6*9)+(6+9)=69 …!!
- Any two digit number ending with 9 will show this property. 69 is not the only special number which shows this property
- (4*9)+(4+9)=49 and (5*9)+(5+9)=59…and so on.
- 2520, The smallest number divisible by all integers from 1 to 10.
2520/1=2520
2520/2=1260
2520/3=840
2520/4=630
2520/5=504
2520/6=420
2520 /7=360
2520/8=325
2520/9=280
2520/10=252
- zero, is the only number that can’t be represented in Roman Numerals.
- The great creation of 6210001000
6 - zeros
2 - ones
1 - two
0 - three
0 - four
0 - five
1 - six
0 - seven
0 - eight
0 - nine
- 40 - FORTY - the only number with all letters in alphabetical order and 1 - ONE - the only number with letters in reverse order!!
- Among all the shapes with the same perimeter , CIRCLE has the largest area!
Image Source : Google