The author considers two infinite decimals, where the \(n\)th digit is the last non-zero digit of \(n!\), creating the number \(F\), and using \(n^n\), creating the number \(P\). The author shows...

- About MAA
- Membership
- MAA Publications
- Periodicals
- MAA Press (an imprint of the AMS)
- MAA Notes
- MAA Reviews
- Mathematical Communication
- Information for Libraries
- Author Resources
- Advertise with MAA

- Meetings
- Competitions
- Programs and Communities
- Curriculum Resources
- Member Communities
- MAA Sections
- High School Teachers
- SIGMAA
- Graduate Students
- Students
- MAA Awards
- Awards Booklets
- Writing Awards
- Teaching Awards
- Service Awards
- Research Awards
- Lecture Awards
- Putnam Competition Individual and Team Winners
- The D. E. Shaw Group AMC 8 Awards & Certificates
- Maryam Mirzakhani AMC 10 A Prize and Awards
- Two Sigma AMC 10 B Awards & Certificates
- Jane Street AMC 12 A Awards & Certificates
- Akamai AMC 12 B Awards & Certificates

- Blogs
- MAA Connect

- Outreach Initiatives
- Professional Development
- Virtual Programming

- News