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Compatible numbers are numbers that look friendly with each other when we do mental calculation to estimate a product or a quotient.
So 420 would be an example for 419.
Say I want to divide 419 by 2.
I can do it easily for 420, it is 210
But I increased 419 by 1 so I need to subtract half of 1 which is .5 and the answer is 209.5.
I subtracted half or .5 since I increased 419 by 1 and I am dividing by 2.
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What number is compatible to 419 plus 263?
If you add 419 to 263 the answer is 682 and the Roman numeral for this number is DCLXXXII 420 + 260 = 680
What number is divisible by 419?
Any multiple of 419.
Is 419 a prime number or a composite number?
A prime number is one that can only be divided by 1 and itself. 419 can only be divided by 1 and itself, therefore it is a prime number.
What number has 19 ones and 4 tens?
The answer is 419
What is the number 50 compatible with?
A compatible number is a number that is easy to add when you add it together.
