-
elliptic curve primality-proven
prime R86453 are all
repunits in
various bases. The base-b
repunits are
defined as (this b can be
either positive or negative)...
-
repdigits are
palindromic numbers and are
multiples of
repunits.
Other well-known
repdigits include the
repunit primes and in
particular the
Mersenne primes (which...
- This is a list of
repunit primes in
various bases. Base-2
repunit primes are
called Mersenne primes. The
first few base-3
repunit primes are 13, 1093...
-
generalization of
repunits; they are
integers represented by
repeated instances of the same digit. For example, 333 is a repdigit. The
primality of
repunits is of...
- MR 1723687. Zbl 0935.05024. Sloane, N. J. A. (ed.). "Sequence A002275 (
Repunits: (10^n - 1)/9.
Often denoted by R_n.)". The On-Line
Encyclopedia of Integer...
-
personal computers. He
found many
large prime numbers of
special forms:
repunits,
Fibonacci primes,
prime Lucas numbers, twin primes,
Sophie Germain primes...
-
January 2024. Sloane, N. J. A. (ed.). "Sequence A004023 (Indices of
prime repunits:
numbers n such that 11...111 (with n 1's)
equal to (10^n - 1)/9 is prime...
- to
represent 5 as a tally.
Unary numbers should be
distinguished from
repunits,
which are also
written as
sequences of ones but have
their usual decimal...
- Sequences. OEIS Foundation. Sloane, N. J. A. (ed.). "Sequence A002275 (
Repunits: (10^n - 1)/9.
Often denoted by R_n)". The On-Line
Encyclopedia of Integer...
- in base 90, 1111111111111 in base 2) are the only two
numbers that are
repunits with at
least 3
digits in two
different bases. Feit–Thompson conjecture...
