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There are infinitely many lucky numbers. Twin lucky numbers and twin primes also appear to occur with similar frequency. However, if L n denotes the n -th lucky number, and p n the n -th prime, then L n > p n for all sufficiently large n .
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
A number that is not part of any friendly pair is called solitary. The abundancy index of n is the rational number σ(n) / n, in which σ denotes the sum of divisors function. A number n is a friendly number if there exists m ≠ n such that σ(m) / m = σ(n) / n. Abundancy is not the same as abundance, which is defined as σ(n) − 2n.
The best lucky lottery numbers based on your zodiac sign. Each astrological sign indicates specific characteristics about a person, including details such as their risk tolerance or how careful ...
First, choose five numbers from 1 to 70 (those are the white balls) and then a Mega Millions number (this is the gold ball) from 1 to 25. The more numbers you match in the Mega Millions drawing ...
The chances of winning the lottery are about one in 300 million. Lucky lottery numbers are also a way to increase your chances. Here’s how to win the lottery (or at least boost your chances) by ...
The table below lists the largest currently known prime numbers and probable primes (PRPs) as tracked by the PrimePages and by Henri & Renaud Lifchitz's PRP Records. Numbers with more than 2,000,000 digits are shown.
A property of weird numbers is that if n is weird, and p is a prime greater than the sum of divisors σ(n), then pn is also weird. [4] This leads to the definition of primitive weird numbers: weird numbers that are not a multiple of other weird numbers (sequence A002975 in the OEIS). Among the 1765 weird numbers less than one million, there are ...