def int2hex(number: int, chars: int = 2) -> str:
    """
    Converts integers to human-readable HEX
    :param number: integer to convert
    :param chars: minimal amount of chars(bytes) to show
    :return: HEX string w/o prefix
    """
    a = hex(number)[2:].upper()
    chars = max(len(a) // 2, chars)
    return ('00' * chars + a)[-chars * 2:]