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The sum of the factorials of digits of a number is equal to the original number.

Ex: n=145=> 1! + 4! + 5! = 1 + 24 + 120 = 145

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โˆ™ 2013-05-21 04:43:48
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Q: What are strong numbers between 100 and 1000?
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Related questions

How many palindromic numbers between 100 and 1000?

There are 90 palindromic numbers between 100 and 1000


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What are the Adam numbers between 100 to 1000


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How many prime numbers are there between 1-1000?

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How many numbers between 100 and 1000 have two as the units digit?

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How many numbers between 100 and 1000 have 2 as the units digits?

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How many numbers are there between 100 and 1000 such that 7 is in the unit's place?

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How many numbers between 100 and 1000 are divisible by 6?

There are 899 numbers between 100 and 1000. Every 6th number is divisible by 6. 899 divided by 6 is 149 and 5/6. The answer must be 149 or 150. The first number in that set is 102 (17 x 6). The last is 996 (166 x 6). 166 - 17 + 1 is 150. There are 150 numbers between 100 and 1000 that are divisible by 6.


How many numbers are there between 100 and 1000 such that atleast one of their digits is 7?

252 of them.


How many numbers between 100 and 1000 have their digits adding up to 5?

16


What number is halfway between the pair of numbers 99over 100 and1?

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How many prime numbers are there whose square has 5 or 6 digits?

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How many even numbers between 1 and 1000?

There are exactly 50 even numbers if you include 100. There are exactly 50 odd numbers if you include 1.


What are Armstrong numbers between 100 to 1000?

Some are 371, 407, 370, 153, etc.


How many even integers are between 100 and 1000?

If you mean "between" 100 and 1000 to mean excluding 100 and 1000 then 449. If you want to include 100 and 1000 then 451.


How were the numbers 1 10 100 and 1000 written by the Romans?

The numbers are written like this: 1=I, 10=X 100=C 1000=M.


What are the odd numbers between 1000 and 1008?

What are the odd number between 100 and 1008


What is the smallest square number that is the sum of two square numbers Find two square numbers whose sum is 100 How many square numbers are there between 100 and 1000?

02 + 02 = 0; all other numbers squared are greater than 0. Otherwise 25 (= 52) = 32 + 4262 + 82 = 100√100 = 10; √1000 ≈ 31.6, so largest square less than 1000 is 312Between 100 and 1000 there are 31-10 = 21 square numbers (22 if 100 itself is included since 100 = 102)


How many 3 digit numbers are divisible by 4 and 6?

There are 75 multiples of 12 between 100 and 1000.


What is the working out for mmccxxi in English numbers?

It is: 1000+1000+100+100+10+10+1 = 2221


What are the square numbers in 1000?

1, 4, 25, 100, 1000


How many 6's in path of counting from 1 to 1000?

There is one six in the units place every 10 numbers. So from 1 to 1000 there are 100 6s in the units place. There are ten sixes in the tens place every 100 numbers, so from 1 to 1000 there are 100 6s in the tens place. Finally, there are 100 numbers that have 6 in the hundreds place. Add all these together, and you get 300. Thus there are 300 6s between 1 and 1,000.