Glad you found that site. ThankQ for digging.
Unlikely that 2,775,577,757,352,755,375,573,357,273 would appear on any other web page.
I met Tanya at G4G8 in 2008, and learned about her website. She's a brilliant mathematician & speaker.
I sent her yer "fourth cube = 125" correction.
She promptly replied, "1 is not a prime, but thank you for a suggestion."
Well, ya. I should have caught that.
Hint: search for 1 on Number Gossip.
I must therefore retract my erroneous agreement with you & #1pal.
Note that the NG search box only handles integers ≤ 9999.
Here's another useful site: Calculator Soup.
Why do I need cube roots? 😕 Can I pickle them?
(ducking and running!)
Makes sense about 1 not being a prime. I Would have lost that bet! That’s a fun site I will keep handy!