Year 191 (CXCI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year
to convert. The main problem was that Blaydon numbers already began with 44 so misdialling in that exchange was inevitable. To prevent misdialling between
191 (one hundred [and] ninety-one) is the natural number following 190 and preceding 192. 191 is a prime number, part of a prime quadruplet of four primes:
Human Growth Hormone Fragment 176–191 (hGH frag 176–191) is a peptide fragment of human growth hormone. It has erroneously been presented as a lipolytic