Οι τετραψήφιοι (από 2000 έως 4000)
:
2048 = 2-0!+4+8 =
=
= ... 2139 = -21 + 3!!
= -21 + 3
!! 2160 = (2 + 1)6! + 0 = (2 + 1)6!/0!= ...
2161= (2 + 1)6! + 1
2162 = (2 + 1)6! + 2
2163=(2+1)6!+3=2+1+(6!×3)=(2-1+6!)3= (
+6!)3 ... 2164 = (2 + 1)6! + 4
2165 = (2 + 1)6! + 5
2166 = (2 + 1)6! + 6
2167 = (2 + 1)6! + 7
2168 = (2 + 1)6! + 8
2169 = (2 + 1)6! + 9 = (2 + 1 + 6!)
=(2 + 1)(6! +
) 2304 = 
2378 = -23 + ![Sqrt[7^8]](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_v_rp2OE57HC_VcDxMR8Z9-978wzuskT7aJaeJ_F23UQJ9mRCKfW7Oar-LuemiHyNKnWMazPPQIhmTTztEtMZ5ibLmPlkSvYUb1TA=s0-d)
2472 = -(2 × 4!) + 7!/2
2496 = (2 + 4!)96
2520 =(2 + 5)! / 2 + 0 = (2 + 5)! / 2 / 0!= ...
2521 = (2 + 5)! / 2 + 1
2522 = (2 + 5)! / 2 + 2 = 2 + (5 + 2)! / 2
2523 = (2 + 5)! / 2 + 3
2524 = (2 + 5)! / 2 + 4
2525 = (2 + 5)! / 2 + 5
2526 = (2 + 5)! / 2 + 6
2527 = (2 + 5)! / 2 + 7
2528 = (2 + 5)! / 2 + 8
2529 = (2 + 5)! / 2 + 9
2544= (2 + 5)! /
+ 4! 2592 = 25 92 =
2737 = (2 × 7)3 - 7 = 
=
=
=
=.
2746 = 
2864= -(2×8)+6!4=
+6!4=
(6!-4)=
(6!-4) 2880 =
=
2896 = 2(8 +
!! + 6!) 2904= ( (2 +
)! + 0!) 4! 2954= 2 + (
+ 5!)4! 2995 = -29 + 9!/5!
3125 =(31 + 2)5 =
= (3! - 12)5 =
= ... 3249 = (3!! + 2) /
/ 9 3354 = -3! + (3!! + 5!) 4
3376 = -3!! + (3 - 7)6
3444 = 3! (4! 4! -
)= 
3448 = 3! 4! 4! - 8 =
3453 =3!! 4! / 5 - 3= -3 + 4! / 5 / 3!!
3454 = 3!! 4! / 5 - ![Sqrt[4]](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vo96Pa3GvajWqnS_WpUUHs1g6I5ad_Ro9DOCz0gbRE1ZiNtB7L6GQnBBwbt88Cf78-06vsvLJO2_3L7zOpTuJQEYsArBxVzG2KRw=s0-d)
3455 = (3!! 4! - 5) / 5 = (3!! - 4! - 5) 5
3456=
=(3!!4/5)6=(3!4/5)6!=( (3!-
)!/5)6! = =(3!!- 4!- 5!) 6=3! (-4! + 5!) 6= 3!(-4! - 5! + 6!)=
= 3!! + 4!(5! - 6)= -(3! 4!) + 5 6!=....
3459= 3!! 4! / 5 +
= 3 + (4! / 5)
!! 3465 =
= (-3 - 4! + 6!) 5 3495 = (3!! - 4! +
) 5= (3 - 4! +
!!) 5 3528 = (3! + 5!) 28
3550 = (3!! × 5) - 50= .......
3645 =
=
3685 = (36 + 8)5
3864 = 3(-8 + 64)
3972 = 3 + (9 × 7)2