Post counting thread.

and the twin to 419 is 421

4 equals 2 plus 2.

Can't find anything interesting about 423, sorry.

424 is a pattern number, a palindrome, or the cube of 2 multiplied by a prime number.

425 is also a bit boring. 17*25

@Ponderable said
425 is also a bit boring. 17*25

427 Hemi

4 x 2 = 8

429 is the seventh catalan number and I learned something new, I can't remember to ahve heard about cataln numbers before.

@Ponderable said
429 is the seventh catalan number and I learned something new, I can't remember to ahve heard about cataln numbers before.

@Kewpie said
I'm not surprised that you didn't know about Catalan numbers - does anybody?????

430 is better, just a nice simple stainless steel grade.

432 is a descending sequence.

433 is a prime (edited)

@Ponderable said
433 = 7 * 619

@Kewpie said
Sorry, 4333 =7 * 619.😵‍💫

434 is a palindrome.