Nonexistence conjecture for odd Kalita–Saikia near superperfect numbers
Let a Kalita–Saikia near superperfect number mean a number that is both a Kalita–Saikia number and a near superperfect number. Nonexistence conjecture. There are no odd Kalita–Saikia near superperfect numbers. The conjecture is proposed as a consequence of the restrictive prime-collision conditions arising for odd near superperfect numbers, together with the relevance of the Goormaghtigh conjecture. Whether such odd numbers exist remains open.
References
Primary source
Satvik Beri and Joshua Zelinsky, “On near superperfect numbers, the Goormaghtigh conjecture, and Mertens' theorem”, arXiv:2505.08160 (2025).
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