This number is the sum of the infinite series one plus one-half plus one-fourth plus one-eighth and so on.
A mathematical ring consists of a set and this many operations. This is the smallest positive exponent in the Taylor series expansion of cosine. Mersenne primes are one less than a power of this number. This number is the sum of the infinite series one plus one-half plus one-fourth plus one-eighth and so on. The multivariable function f equals x times y plus one has this degree, as do all quadratic polynomials. For 10 points, identify this prime number, the base of the binary system, which divides all even numbers.
A mathematical ring consists of a set and this many operations.
two