286 Jean-Marie De Koninck
3 405 122
the smallest number n such that Ω(n) = Ω(n + 1) = . . . = Ω(n + 8): here the
common value is 4; it is also the smallest number n such that Ω(n) = Ω(n+1) =
. . . = Ω(n + 9) (see the number 602).
3 424 006
the number of twin prime pairs 109 (see the number 1 224).
3 485 664 (=
25
·
32
·
72
· 13 · 19)
the third solution of
σ(n)
n
=
15
4
(see the number 293 760).
3 523 884
the smallest number n such that π(n) = n/14 (see the number 330).
3 538 944 (=
217
·
33)
the smallest number n such that γ(n)3|σ(n) (see the number 96).
3 565 979
the smallest prime number equally distant, by a distance of 48, from the preced-
ing and the following prime numbers: p254478 = 3 565 931, p254479 = 3 565 979
and p254480 = 3 566 027.
3 612 703
the only prime number p such that p|An for all n p, where An := n! (n
1)! + (n 2)! . . .
(−1)n1!,
a result established by M. Zivkovi´ c [209].
3 628 800
the value of 10! .
3 628 811
the fourth prime number of the form n! + n + 1, here with n = 10 (see the
number 52).
3 632 617
the smallest number n such that φ(n) = 10! (see the number 779).
Previous Page Next Page