- In
number theory, a
noncototient is a
positive integer n that
cannot be
expressed as the
difference between a
positive integer m and the
number of coprime...
- number, and an
untouchable number. 326 = 2 × 163. 326 is a nontotient,
noncototient, and an
untouchable number. 326 is the sum of the 14
consecutive primes...
-
southern Alberta. 404 = 22 × 101,
Mertens function returns 0, nontotient,
noncototient,
number of
integer partitions of 20 with an
alternating permutation....
- and
threat of
starvation in
agrarian societies.) Ten is the
smallest noncototient number.
There are
exactly 10
small Pisot numbers that do not
exceed the...
- any number. It is the
first untouchable number larger than 2 and 5. a
noncototient since it is not
equal to x − φ(x) for any x . a
vertically symmetrical...
-
between any
integer and the
total of
coprimes below it,
making it a
noncototient. 100 has a
reduced totient of 20, and an
Euler totient of 40. A totient...
-
number following 129 and
preceding 131. 130 is a
sphenic number. It is a
noncototient since there is no
answer to the
equation x - φ(x) = 130. 130 is the only...
- of
squares of
divisors of 19,
Mertens function returns 0, nontotient,
noncototient. 364 = 2 2 × 7 × 13 {\displaystyle 364=2^{2}\times 7\times 13} , tetrahedral...
-
whose digit sum in
decimal is the same as it is in binary. 222 is a
noncototient,
meaning that it
cannot be
written in the form n − φ(n)
where φ is Euler's...
-
natural number following 85 and
preceding 87. 86 is:
nonprofit and a
noncototient. the 25th
distinct semiprime and the 13th of the form (2.q). together...
