# stdnum.no.fodselsnummer

Fødselsnummer (Norwegian birth number, the national identity number).

The Fødselsnummer is an eleven-digit number that is built up of the date of birth of the person, a serial number and two check digits.

More information:

- https://no.wikipedia.org/wiki/F%C3%B8dselsnummer

- https://en.wikipedia.org/wiki/National_identification_number#Norway

    >>> validate('151086 95088')
    '15108695088'
    >>> get_gender('151086-95088')
    'F'
    >>> validate('15108695077')
    Traceback (most recent call last):
        ...
    InvalidChecksum: ...
    >>> format('15108695077')
    '151086 95077'

stdnum.no.fodselsnummer.calc_check_digit1(number: str) → str

  Calculate the first check digit for the number.

stdnum.no.fodselsnummer.calc_check_digit2(number: str) → str

  Calculate the second check digit for the number.

stdnum.no.fodselsnummer.compact(number: str) → str

  Convert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.

stdnum.no.fodselsnummer.format(number: str) → str

  Reformat the number to the standard presentation format.

stdnum.no.fodselsnummer.get_birth_date(number: str) → date

  Determine and return the birth date.

stdnum.no.fodselsnummer.get_gender(number: str) → str

  Get the person’s birth gender (‘M’ or ‘F’).

stdnum.no.fodselsnummer.is_valid(number: str) → bool

  Check if the number is a valid birth number.

stdnum.no.fodselsnummer.validate(number: str) → str

  Check if the number is a valid birth number.