Etymologie, Etimología, Étymologie, Etimologia, Etymology, (griech.) etymología, (lat.) etymologia, (esper.) etimologio
CA Kanada, Canadá, Canada, Canada, Canada, (esper.) Kanado
Zahlen, Número, Nombre, Numero, Number, (esper.) nombroj, nombroteorio
Zahlentheorie, Teoría de números, Théorie des nombres, Teoria dei numeri, Number Theory
Algebraische Zahlentheorie, Teoría de números algebraicos, Théorie algébrique des nombres, Teoria algebrica dei numeri, Algebraic number theory

CECM
Centre for Experimental and Constructive Mathematics
The π Pages

The π Pages

JIS (W3)

Number (W3)

uqam
Tables of Constants

• About this server and advanced search
• Records of computation
• Tables de constantes
• Bibliography
• Simon Plouffe's home page
• Recent additions of tables
• Example of automated report by mail
• Interesting graphics and summaries
• Articles of Ivars Peterson (MathTrek)
• From number to formula
• Pick a digit, any digit
• Next in line
• A question of Numbers by Brian Hayes

• 1.002008392826082 Zeta(9)
• 1.008349277381922 Zeta(7)
• 1.030345524216210 exp(Pi)/Pi^E
• 1.030640834100712 Continued Fractions constant (base 10).
• 1.034653881897438 one of Hadamard-La-Vallee-Poussin constant
• 1.036927755143369 Zeta(5)
• .1076539192264845 one-ninth constant
• 1.082323233711138 Zeta(4)
• 0.01084101512231113 The Trott Constant
• 1.098612288668109 log(3)
• 1.098641964394156 The Paris constant
• 1.098685805525187 Lengyel constant
• 1.144729885849400 log(Pi)
• 0.114942044853296 Product(cos(Pi/n),n=3..infinity
• 1.175201193643801 Sinh(1)
• 1.176280818259917 smallest known Salem number
• 1.189207115002721 sqrt(sqrt(2))
• 1.199678640257733 solution of exp(x)(x-1) = exp(-x)(x+1)
• 1.202056903159594 Zeta(3)
• .1234567891011121 Champernowne number
• 1.259921049894873 2^1/3
• 1.261859507142914 log(4)/log(3)
• 1.282427129100622 Glaisher-Kinkelin constant
• 1.291285997062663 sum(1/n^n,n=1..inf)
• 1.296210659593309 A Salem number of degree 38
• 1.303577269034296 Conway constant
• 1.306377883863080 Mills Constant
• 1.324717957244746 Smallest Pisot-Vijayaraghavan number
• 1.395485972479302 Hard hexagons constant
• 14.13472514173469 First zero of Riemann Zeta function
• 1.414213562373095 sqrt(2)
• 1.442249570307408 3^1/3
• 1.442695040888963 1/log(2)
• 1.444667861009766 e^1/e
• 1.456074948582689 Backhouse constant
• 1.467078079433975 Porter's constant
• .1475836176504332 arctan(1/2)/Pi
• 15.15426224147926 Exp(E)
• 1.543080634815243 Cosh(1)
• 1.584962500721156 log(3)/log(2)
• 1.609437912434100 log(5)
• 1.628160129718917 a Flajolet constant
• 1.636616323351260 Sum(1/(p*log(p)),p = prime)
• 1.644934066848226 Zeta(2)
• 1.705211140105367 Niven Constant
• 1.732050807568877 sqrt(3)
• 1.745405662407346 Khintchine Harmonic Constant
• 1.763222834351896 1/W(1)
• 1.782213978191369 Grothendieck majorant
• 1.787231650182965 Komornik-Loreti constant
• 1.833772651680271 Solution of Zeta(x)=x
• 1.837877066409345 log(2*Pi)
• 1.851937051982466 Gibbs constant : Si(Pi)
• 0.1878596424620671 MRB Constant
• 0.1945280494653251 Dubois-Raymond 2nd constant
• 19.99909997918947 exp(Pi)-Pi
• 2.078086921235027 1/log(phi)
• .2078795763507619 exp(-Pi/2)
• .2078862249773545 -Zeta(-1/2)
• 2.193280050738015 exp(Pi/4)
• 2.236067977499789 sqrt(5)
• 22.45915771836104 Pi**e
• 2.302566137163630 a Flajolet constant
• 2.302585092994045 log(10)
• 23.14069263277926 exp(Pi)
• 2.428189792098870 product(1+1/n**3,n=1..infinity)
• 2.449489742783178 sqrt(6)
• 2.502907875095892 Feigenbaum alpha constant
• 0.261497212847642 Hadamard-de-la-Vallee-Poussin constant
• 2.645751311064590 sqrt(7)
• 2625374126407687 Ramanujan number : exp(Pi*sqrt(163))
• 2.665144142690225 Gelfond-Schneider number : 2**sqrt(2)
• 2.685452001065306 Khintchine constant
• 2.718281828459045 exp(1)
• 2.720699046351326 Pi/2*sqrt(3)
• 2.807770242028519 Fransen-Robinson constant
• 2.82842712474619 sqrt(8)
• 2.95576528565199 Tree-growth constant
• .3010299956639811 LOG10(2)
• .3039635509270133 3/(Pi**2)
• 3.141592653589793 Pi
• 3.162277660168379 sqrt(10)
• .3183098861837906 1/Pi
• 3.275822918721811 Levy constant
• 3.407069165627256 Magata Constant
• 0.353236371854995 Hafner-Sarnak-McCurley Constant
• .3665129205816643 -log(log(2))
• .3678794411714423 1/e
• .3725074107813666 Real root of Ei(x)
• .3739558136192022 Artin constant
• .3920728981459733 1-6/(Pi*Pi)
• 3.922646139209151 -zeta(1,1/2)
• .3989422804014326 1/sqrt(2*pi)
• .4124540336401075 The Thue-Morse constant
• .4342944819032518 1/log(10)
• .4399240125710253 Second Tree-Growth constant
• .4636476090008061 arctan(1/2)
• 4.669201609102990 Feigenbaum constant
• .4749493799879206 Weierstrass constant
• .4804530139182014 log(2)*log(2)
• .4812118250596034 log(phi)
• .5403023058681397 cos(1)
• .5671432904097838 W(1)
• .5819486593172907 2nd order Landau-Ramanujan Constant
• .5926327182016361 Lehmer constant
• .5963473623231940 -exp(1)*Ei(-1)
• .6045997880780726 sum(1/n/binomial(2*n,n),n=1..infinity)
• .6243299885435508 Golomb constant
• .6434105462883380 Cahen constant
• 6.580885991017920 The Froda constant : 2**E
• 0.06598803584531253 exp(-e)
• .6601618158468695 Twin primes constant
• .6617071822671762 Robbin's constant
• .6627434193491815 Laplace Limit constant
• .6922006275553463 (1/E)^(1/E)
• .6931471805599453 log(2)
• .6977746579640079 BesselI(1,2)/BesselI(0,2)
• .7052301717918009 Sum of product of inverse of primes
• .7098034428612913 Rabbit Constant
• .7147827007912942 Traveling Salesman Constant
• .7363998587187150 sum(1/binomial(2*n,n),n=1..infinity)
• 7.389056098930650 exp(2)
• .7475979202534114 parking constant or Renyi constant
• .7642236535892206 Landau-Ramanujan constant
• .7945071927794792 Kolakoski Constant
• .8116869215447793 a Flajolet constant
• .8164215090218931 sum(1/2**(2**n),n=0..inf)
• .8414709848078965 sin(1)
• .8472130847939790 A.G.M. of (1,sqrt(2)/2)
• .8660254037844386 sqrt(3)/2
• .8711570464148937 a Flajolet constant
• .9068996821171089 Pi/(2*sqrt(3))
• 9.289025491920818 1/(One-ninth constant)
• .9375482543158437 -Zeta'(2)
• 9.869604401089358 Pi*Pi