In this month’s episode of Wrong But Useful (#53), brought to you by the power of Lemsip and a day in bed, Colin and Dave are joined by Special Guest Co-Hosts @sean_jamshidi and #NikiWithoutTwitter, who are Sean Jamshidi and Niki Kalaydzhieva from Chalkdust Magazine1 in real life. Niki is an analytical number theorist with an interest in outreach; Sean studies oceanic fluid dynamics. We beat our own world record for the most shambolic number of the podcast. It’s 5,830, the sum of the first 53 primes and $53 \times 110$; this will be the last such number until episode 853. […]