- from
meandric to open
meandric numbers: Mn = m2n−1 Each
meandric number can be
bounded by semi-
meandric numbers: Mn ≤ Mn ≤ M2n For n > 1,
meandric numbers...
-
third (or fourth)
Fibonacci number. 2 is a
meandric number, a semi-
meandric number, and an open
meandric number. 2 {\displaystyle 2} is the smallest...
-
number of
possible unfolded tesseract patterns. 262 = 2·131,
meandric number, open
meandric number,
untouchable number,
happy number,
palindrome number...
-
icosioctagonal number. a
centered octagonal number. a
tribonacci number. an open
meandric number. the
ninth member of the Mian-Chowla sequence. a
palindromic number...
- itself,
which makes it a semiprime. It is the
sixth meandric number, and the
ninth open
meandric number. As it
cannot be
divided into the sum of the proper...
- 30420 =
pentagonal pyramidal number 30537 =
Riordan number 30694 = open
meandric number 30941 =
first base 13
repunit prime 31116 =
octahedral number 31185...
- an
isolated prime 504 = 23 × 32 × 7. It is: a
tribonacci number. a semi-
meandric number. a
refactorable number. a
Harshad number. ∑ n = 0 10 504 n {\displaystyle...
- fifteen-sided
pentadecagonal number. It is also the
fourth meandric number, and
seventh open
meandric number (following 8 and 14, respectively). On the other...
- a
triangular number. a
hexagonal number. a
Icositrigonal number a semi-
meandric number. a
semiperfect number,
being a
multiple of a
perfect number. an...
-
colors may be
swapped but
turning over is not
allowed 13820 =
meandric number, open
meandric number. 13824 = 243 13831 =
palindromic prime. 13860 = Pell...
