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Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted F n ... using the Legendre symbol: [44] ...
Numbers with more than 2,000,000 digits are shown. ... 44 2×3 10852677 + 1 8 January 2023 ... is the nth Fibonacci number. Rank [104]
Cahen's constant [44] 0.64341 05462 ... where F n is the n th Fibonacci number. 1974 [OEIS 74] ? ? Chvátal–Sankoff constant for the binary alphabet
A repfigit, or Keith number, is an integer such that, when its digits start a Fibonacci sequence with that number of digits, the original number is eventually reached. An example is 47, because the Fibonacci sequence starting with 4 and 7 (4, 7, 11, 18, 29, 47) reaches 47.
A prime divides if and only if p is congruent to ±1 modulo 5, and p divides + if and only if it is congruent to ±2 modulo 5. (For p = 5, F 5 = 5 so 5 divides F 5) . Fibonacci numbers that have a prime index p do not share any common divisors greater than 1 with the preceding Fibonacci numbers, due to the identity: [6]
A number that has fewer digits than the number of digits in its prime factorization (including exponents). A046760: Pandigital numbers: 1023456789, 1023456798, 1023456879, 1023456897, 1023456978, 1023456987, 1023457689, 1023457698, 1023457869, 1023457896, ... Numbers containing the digits 0–9 such that each digit appears exactly once. A050278
This page was last edited on 14 September 2019, at 05:01 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
A page of the Liber Abaci from the National Central Library.The list on the right shows the numbers 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377 (the Fibonacci sequence).