A number that you can't help but laugh at.
Teacher: What is the answer to 67 + 2?
Student: 69.
*giggles*
by Raspberries April 30, 2012

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The number that is one short of the number 70.
68 + 2 = 70
68 + 1 = 69
by Chris P. Bacon March 24, 2008

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the fucking number that comes before 70
1,2,3,4,5,6,8,9,10.....65,66,67,68,69,70
by jplar February 14, 2017

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Oral sex but the guy is sucking on a strap on and the girl is giving the guy a rim job
Would you like to spice up sex tonight?

Sure, grab the strap on and lets -69
by BananaDonut February 06, 2017

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A number you dirty minded price of shit
69% of people find something dirty in every sentence.
by FuckBoiiMcGee August 01, 2016

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Thulium
Atomic number 69
Group, block group n/a, f-block
Period period 6
Element category lanthanide
Standard atomic weight (±) (Ar) 168.93422(2)1
Electron configuration Xe 4f13 6s2
per shell
2, 8, 18, 31, 8, 2
Physical properties
Phase solid
Melting point 1818 K (1545 °C, 2813 °F)
Boiling point 2223 K (1950 °C, 3542 °F)
Density near r.t. 9.32 g/cm3
when liquid, at m.p. 8.56 g/cm3
Heat of fusion 16.84 kJ/mol
Heat of vaporization 191 kJ/mol
Molar heat capacity 27.03 J/(mol·K)
vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1117 1235 1381 1570 (1821) (2217)
Atomic properties
Oxidation states 2, 3 (a basic oxide)
Electronegativity Pauling scale: 1.25
Ionization energies 1st: 596.7 kJ/mol
2nd: 1160 kJ/mol
3rd: 2285 kJ/mol
Atomic radius empirical: 176 pm
Covalent radius 190±10 pm
Miscellanea
Crystal structure hexagonal close-packed (hcp) Hexagonal close packed crystal structure for thulium
Thermal expansion poly: 13.3 µm/(m·K) (at r.t.)
Thermal conductivity 16.9 W/(m·K)
Electrical resistivity poly: 676 nΩ·m (at r.t.)
Magnetic ordering paramagnetic (at 300 K)
Young's modulus 74.0 GPa
Shear modulus 30.5 GPa
Bulk modulus 44.5 GPa
Poisson ratio 0.213
Vickers hardness 470–650 MPa
Brinell hardness 470–900 MPa
CAS Number 7440-30-4
History
Naming after Thule, a mythical region in Scandinavia
Discovery and first isolation Per Teodor Cleve (1879)
My Thulium dissolved into a dilute sulfuric acid last night, While I was studying the 69 electrons surrounding the nucleus.
by S.C.S.C.S.C.S.Cena August 07, 2016

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69 (sixty-nine) is a number following 68 and preceding 70.
The aliquot sum of sixty-nine is 27 within the aliquot sequence (69,27,13,1,0) 69 being the third composite number in the 13-aliquot tree.
69 is a semiprime. Furthermore, since the two factors of 69 are both Gaussian primes, 69 is a Blum integer.Adding up the divisors of 1 through 9 gives 69. 69 is a lucky number. Because 69 has an odd number of 1s in its binary representation, it is sometimes called an "odious number." Of note is that 692 (4761) and 693 (328509) together use every decimal digit from 0-9. 69 is equal to 105 octal, while 105 is equal to 69 hexadecimal. This same property can be applied to all numbers from 64 to 69.
On many handheld scientific and graphing calculators, the highest factorial that can be calculated, due to memory limitations, is 69! or about 1.711224524×10^98. 69 is the smallest number where n^2 and n^3 contain all digits exactly once.
Poor old guy, doesn't know how 69 really great is.
by youmayhaveheardofme April 26, 2016

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