- the next
number by
adding 3
numbers (tribonacci numbers), 4
numbers (
tetranacci numbers), or more. The
resulting sequences are
known as n-Step Fibonacci...
- The
tetranacci numbers start with four
predetermined terms, each term
afterwards being the sum of the
preceding four terms. The
first few
tetranacci numbers...
- 75361 =
Carmichael number 76084 =
amicable number with 63020 76424 =
tetranacci number 77777 =
repdigit 77778 =
Kaprekar number 78125 = 57 78163 = Friedman...
-
number following 207 and
preceding 209. 208 is a
practical number, a
tetranacci number, a
rhombic matchstick number, a
happy number, and a
member of Aronson's...
- matter. The sum of six
consecutive primes (3 + 5 + 7 + 11 + 13 + 17) a
tetranacci number and as a
multiple of 7 and 8, a
pronic number.
Interestingly it...
-
prime with 5503 5525 –
square pyramidal number 5527 –
happy prime 5536 –
tetranacci number 5557 – super-prime 5563 –
balanced prime 5564 –
amicable number...
- and
preceding 109. 108 is: an
abundant number. a
semiperfect number. a
tetranacci number. the
hyperfactorial of 3
since it is of the form 1 1 ⋅ 2 2 ⋅ 3...
-
consecutive squares, 22 + 32 + 42. 29 is a
Lucas prime, a Pell prime, and a
tetranacci number. 29 is an
Eisenstein prime with no
imaginary part and real part...
- Weierstr**** P-function 39304 = 343 39559 =
octahedral number 39648 =
tetranacci number There are 958
prime numbers between 30000 and 40000. Sloane, N...
- 20412 =
Leyland number: 93 + 39 20540 =
square pyramidal number 20569 =
tetranacci number 20593 =
unique prime in base 12 20597 = k such that the sum of...
