This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Peter Rowlett
peterrowlett.net
did:plc:2cztrl4zqdmevgscjlwmjw5k
I was quite taken with this one: 2025 is the product of the proper divisors of its square root, 45.
My son showed me how at school they’d make a factor bug to find the factors 1, 3, 5, 9, 15 and 45.
1/3
#tmwyk
2025-01-01T11:42:19.951Z