✦ LIBER ✦

Multiply Perfect Numbers

✍ Scribed by Derrick N. Lehmer

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

On perfect and multiply perfect numbers

✍ P. Erdös 📂 Article 📅 1956 🏛 Springer 🌐 English ⚖ 292 KB

Note on Multiply Perfect Numbers

✍ Jacob Westlund 📂 Article 📅 1901 🏛 John Hopkins University Press 🌐 English ⚖ 191 KB

Note on Multiply Perfect Numbers

✍ Jacob Westlund 📂 Article 📅 1900 🏛 John Hopkins University Press 🌐 English ⚖ 204 KB

Note on Multiply Perfect Numbers

✍ R. D. Carmichael 📂 Article 📅 1906 🏛 John Hopkins University Press 🌐 English ⚖ 170 KB

Multiply Perfect Numbers of Three Differ

✍ R. D. Carmichael 📂 Article 📅 1906 🏛 John Hopkins University Press 🌐 English ⚖ 517 KB

Multiply Perfect Numbers of Four Differe

✍ R. D. Carmichael 📂 Article 📅 1907 🏛 John Hopkins University Press 🌐 English ⚖ 640 KB