interesting natural numbers and their properties
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a-pointer ABA aban abundant Achilles admirable alt.fact. alternating amenable amicable anti-perfect apocalyptic arithmetic astonishing automorphic balanced p. Bell bemirp betrothed binomial brilliant c.decagonal c.heptagonal c.nonagonal c.octagonal c.pentagonal c.square c.triangular cake Canada Carmichael Carol Catalan Chen compositorial congruent constructible cube Cullen Cunningham Curzon cyclic D-number d-powerful de Polignac decagonal deceptive deficient dig.balanced double fact. droll Duffinian eban economical emirp emirpimes enlightened equidigital eRAP esthetic Eulerian evil factorial fibodiv Fibonacci Friedman frugal gapful Gilda Giuga good prime happy harmonic Harshad heptagonal hex hexagonal highly composite hoax Hogben Honaker house hungry hyperperfect iban iccanobiF idoneal impolite inconsummate insolite interprime Jacobsthal Jordan-Polya junction Kaprekar katadrome Kynea Lehmer Leyland lonely Lucas lucky Lynch-Bell m-pointer magic magnanimous metadrome modest Moran Motzkin narcissistic nialpdrome nonagonal nude O'Halloran oban octagonal odious Ormiston palindromic palprime pancake panconsummate pandigital partition pentagonal perfect pernicious Perrin persistent Pierpont plaindrome Poulet power powerful practical prim.abundant prime primeval primorial pronic Proth pseudoperfect rare repdigit repfigit repunit Rhonda Ruth-Aaron Saint-Exupery Sastry self self-describing semiprime sliding Smith sphenic square star straight-line strobogrammatic strong prime subfactorial super Niven super-d superabundant tau taxicab tcefrep tetrahedral tetranacci triangular tribonacci trimorphic truncatable prime twin uban Ulam undulating unprimeable untouchable upside-down vampire wasteful weak prime weakly prime weird Wieferich Woodall Zeisel Zuckerman Zumkeller zygodrome

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