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What is the smallest number which can be represented in python?
I have seen as small as 2.05623357236e-296 but can there be any smaller?
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The smallest is sys. float_info. min (2.2250738585072014e-308) and the biggest is sys. float_info.
You can find the smallest number of a list in Python using min() function, sort() function or for loop.
Program ExplanationGet three inputs num1, num2 and num3 from user using input() methods. Check whether num1 is smaller than num2 and num3 using if statement, if it is true print num1 is smallest using print() method. Else, num2 or num3 is smallest. So check whether num2 is smaller than num3 using elseif statement.
Check out sys.float_info
>>> import sys
>>> sys.float_info
sys.float_info(max=1.7976931348623157e+308, max_exp=1024, max_10_exp=308, min=2.2250738585072014e-308, min_exp=-1021, min_10_exp=-307, dig=15, mant_dig=53, epsilon=2.220446049250313e-16, radix=2, rounds=1)
From the docs
min DBL_MIN minimum positive normalized float min_exp DBL_MIN_EXP minimum integer e such that radix**(e-1) is a normalized float
On my system it is mentioned as min=2.2250738585072014e-308
185
Check sys.float_info.min. Note that this is the minimum normalized value; the minimum denormalized value may be smaller but numerical accuracy will suffer.
With usual 64-bit floating-point numbers, the normalized min is approximately 2.2e-308. The denormalized min can be much less, down to 4.94e-324:
>>> 5e-324
4.9406564584124654e-324
It is also worth pointing out that the decimal module's Decimal type can represent arbitrarily small numbers, limited only by available memory.
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