Number 58

A page of the Numeropedia - the Special Encyclopedia of Numbers

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[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.