Talk:Strange plus numbers: Difference between revisions
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Is there an external, more decriptive link for "strange plus numbers"? Can someone help with the description? Thanks. --[[User:Paddy3118|Paddy3118]] ([[User talk:Paddy3118|talk]]) 07:37, 23 February 2021 (UTC) |
Is there an external, more decriptive link for "strange plus numbers"? Can someone help with the description? Thanks. --[[User:Paddy3118|Paddy3118]] ([[User talk:Paddy3118|talk]]) 07:37, 23 February 2021 (UTC) |
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: It seems that strange numbers and strange plus numbers have been coined by CalmoSoft. The web seems to know nothing of them. 498 is a 'strange plus number' because 4+9 is prime and 9+8 is prime. Every sum of adjacent pairs of digits must be prime. --[[User:Chunes|Chunes]] ([[User talk:Chunes|talk]]) 08:13, 23 February 2021 (UTC) |
: It seems that strange numbers and strange plus numbers have been coined by CalmoSoft. The web seems to know nothing of them. 498 is a 'strange plus number' because 4+9 is prime and 9+8 is prime. Every sum of adjacent pairs of digits must be prime. --[[User:Chunes|Chunes]] ([[User talk:Chunes|talk]]) 08:13, 23 February 2021 (UTC) |
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:: This would seem to exclude all 1-digit numbers from being 'strange plus numbers,' but I'm no expert. --[[User:Chunes|Chunes]] ([[User talk:Chunes|talk]]) 08:16, 23 February 2021 (UTC) |
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Revision as of 08:17, 23 February 2021
Help with Description
Is there an external, more decriptive link for "strange plus numbers"? Can someone help with the description? Thanks. --Paddy3118 (talk) 07:37, 23 February 2021 (UTC)