1001, 1014, 10027 and just keep adding 13 till you get to 9997.
Prime No: between 1000 to 9999= 54_( 42x3)
From 1000 to 9999 (inclusive) there are 9999 - 1000 + 1 = 9000 integers. Half of which are even, half of which are odd. So the answer is 9000/2 = 4,500.
That would be 10,000.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108 and just keep adding nine until you get to 9999
500 of them.
Prime No: between 1000 to 9999= 54_( 42x3)
From 1000 to 9999 (inclusive) there are 9999 - 1000 + 1 = 9000 integers. Half of which are even, half of which are odd. So the answer is 9000/2 = 4,500.
There are 2828 integers between 1000 and 9999.
13 of them.
There are 10 palindromes divisible by 9 between 1000 and 9999.
from 1000 to 9999, ie 9999 - 999 = 9000
0.999
9,999, 19,998, 29,997, 39,996, 49,995
68 of them.
That would be 10,000.
1,000 multiplied by 9,999 is 9,999,000.
Multiples of 25 up to 1000 are: 25;50;75;100;125;150;175;200;225;250;275;300;325;350;375;400;425;450;475; 500;525;550;575;600;625;650;675;700;725;750;775;800;825;850;875;900;925;950;975;1000