• yannic@lemmy.ca
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    1 hour ago

    Some background for the unfamiliar:

    “OP” is the abbreviation for “Ordo Prædicatorum”, or “Order of Preachers” in English, aka the Dominicans.

    Saint Dominic is the founder of their order.

  • pyre@lemmy.world
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    3 hours ago

    that’s a ridiculous way to remember it when you can easily tell it’s the number you would get if you concatenate the single digit even numbers excluding 0 in ascending order and divide it by 2.