20333
Verifiers
Verifier NRB / BBAN
Calculator allows you to verify the correctness of the entered account number.
Long description
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75092
Verifiers
Verification ISBN preview
Jak sprawdzić numer ISBN?
Jak zweryfikować numer ISBN?
Jak zweryfikować numer ISBN?
Calculator allows you to verify the ISBN number entered.
62071
Verifiers
Verification of the social security number in Poland
It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.
51951
Verifiers
Verifier numbers EAN-13 preview
Verifier numbers EAN-13
Calculator allows you to verify the number entered EAN-13.
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20963
Verifiers
Verification of the REGON number in Poland
Verifier allows you to validate entered REGON number
28304
Math
Distribution of the factors
Calculator performs decomposition of the given number of factors that are prime numbers (factorization).
13972
Medical
Risk of Clostridium difficile infection bacilli
Calculator to the data given that the risk of C. difficile infection canes for your body. http://pl.wikipedia.org/wiki/Clostridium_difficile
25868
Math
Number cheerful
Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.