A page of the Numeropedia - the Special Encyclopedia of Numbers
[Chem.] The atomic number of Cerium (Ce). An element in the Lanthanide series: Lanthanum (57) to Lutetium (71).
[Math.] 582 = 3364 = (–3–3+64)2
583 = 195,112 = (+19+51–12)3
584 = 11,316,496 = (1+1+31+6+4+9+6)4
587 = 2,207,984,167,552 = (2+2+0+7+9+8+4+1+6+7+5+5+2)7.
[Math.] The number e^(pi×581/2) = 24,591,257,751.9999998222132… is a transcendental number (i.e., not a root of any polynomial equation with integer coefficients) very close to the integer 24,591,257,752.
[Phone] International telephone dialing code for Venezuela.
[Sport] The loft angle of iron golf clubs is increased by 4o from the vertical, from 2-iron to 9-iron; for pitching wedge is 52o and sand wedge 58o.
2-iron: 18o 3-iron: 22o 4-iron: 26o 5-iron: 30o
6-iron: 34o 7-iron: 38o 8-iron: 42o 9-iron: 46o.
[Tech.] The number of facets for most finished diamonds: 32 on the crown, 24 on the pavilion, the culet and the table.
[Tech.] Diamond is about 58 times harder than the next hardest mineral on Earth, corundum, from which rubies and sapphires are formed.