There are 45 such numbers.
There are 45 combinations.
45 of them.
45*44*43*42/(4*3*2*1) = 148995
45!/(45!*5!) => 45*44*43*42*41/5*4*3*2*1 => 146,611,080/120 = 1,221,759
45.
Number of combinations = 45C6 = 45!/6!(45-6)! = 8,145,060
There are 45 such numbers.
About 13million,
There are 45 combinations.
5 digit combinations for numbers 1 to 50= 50 C 5N!= 1x2x3x4x...x (N-1) x N= (50!)/(45!x5!) =(50x49x...x2x1)/((45x44x...x2x1)(5x4x3x2x1))=(50x49x48x47x46)/(5x4x3x2)=254251200/120 =21187602118760 combinations
There are 45 such numbers.
Any 6 from 45 = 814506045C6 = 8145060
45
45 of them.
There are 45 of them.
45