Yes, 257 is a rational number.
Yes.Yes, 257 is a whole number.
no,it is rational
257 is rational.
It is a rational number, and an integer. I have never heard of a while number, though.
The square root of 257 is an irrational number, as it cannot be expressed as a fraction or whole number. It is a non-repeating, non-terminating decimal.
257 is prime. It is only evenly divisible by itself and one.257 is prime.
For the isotope Fm-257 the mass number is 257.
Yes, 257 is a real number.
257 = 100000001
257 = CCLVII
It is a rational number. It can be written as a fraction.