Knödel Numbers

For every , let be the set of Composite numbers such that if , GCD (where GCD isthe Greatest Common Divisor), then . is the set of Carmichael Numbers. Makowski (1962/1963) proved that there are infinitely many members of for .

References

Makowski, A. ``Generalization of Morrow's -Numbers.'' Simon Stevin 36, 71, 1962/1963.

Ribenboim, P. The Book of Prime Number Records, 2nd ed. New York: Springer-Verlag, p. 101, 1989.

• Helmholtz Differential Equation--Conical Coordinates
• Helmholtz Differential Equation--Elliptic Cylindrical Coordinates
• Helmholtz Differential Equation--Oblate Spheroidal Coordinates
• Helmholtz Differential Equation--Parabolic Coordinates
• Helmholtz Differential Equation--Parabolic Cylindrical Coordinates
• Helmholtz Differential Equation Polar Coordinates
• Helmholtz Differential Equation--Prolate Spheroidal Coordinates
• Helmholtz Differential Equation--Spherical Coordinates
• Helmholtz Differential Equation--Spherical Surface
• Helmholtz Differential Equation--Toroidal Coordinates
• Helmholtz's Theorem
• Helson-Szegö Measure
• Hemicylindrical Function
• Hemisphere
• Hemispherical Function
• Hempel's Paradox
• Hendecagon
• Henneberg's Minimal Surface
• Hensel's Lemma
• Henstock-Kurzweil Integral
• Heptacontagon
• Heptadecagon
• Heptagon
• Heptagonal Number
• Heptagonal Pyramidal Number