Those Fascinating Numbers 359
112 111 322 112
the
26th
insolite number (see the number 111).
113 112 122 112
the
27th
insolite number (see the number 111).
121 111 216 128
the
28th
insolite number (see the number 111); it is the smallest insolite number
containing the digit 8.
121 111 322 112
the 29th insolite number (see the number 111).
121 121 114 112
the
30th
insolite number (see the number 111).
125 411 328 001
the third prime number of the form 1! · 2! · . . . · r! + 1, here with r = 7; the
only known prime numbers of this form are 1! · 2! + 1 = 3, 1! · 2! · 3! + 1 = 13,
1! · 2! · 3! · . . . · 7! + 1 and 1! · 2! · 3! · . . . · 14! + 1.
126 789 311 423
the sixth number n (and the largest one known) such that

p≤pn
p is a perfect
square: here

p≤p126789311423
p =
4687267137342:
it was discovered by Giovanni
Resta in 2003 (see the number 2 474).
131 111 132 112
the 31rst insolite number (see the number 111).
131 112 122 112
the
32nd
insolite number (see the number 111).
135 780 321 665
the number of twin prime pairs 1014 (see the number 1 224).
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