Left alone, I am very agreeable
Three of us is bad news
With two of my next door neighbors I become a hero
I also can take off with same two neighbors
Some other neighbors really like me. I can make them bigger and powerful
Who am I? And who are these neighbors?
Left alone, I am very agreeable
k - agreeable as a clipping of OK as 'kay.
Three of us is bad news
KKK - the racist group.
With two of my next door neighbors I become a hero
MLK - Martin Luther King, who advanced civil rights.
I also can take off with same two neighbors
KLM - Koninklijke Luchtvaart Maatschappij (Royal Aviation Company), the Dutch airline.
Some other neighbors really like me. I can make them bigger and powerful
k turns unit letters a thousand times larger as the prefix kilo, such as J(oule) to kJ.
Am I
Oxygen?
By myself I have many meanings
Oxygen can mean either the atom, ion, or molecule
Left alone, I am very agreeable
Oxygen ions and molecules are rarely bad
Three of us is bad news
O3, Ozone, is quite toxic and a harmful byproduct of chemical plants
With two of my next door neighbors I become a hero
H20 and either Nx0 or SxO, water and useful chemicals
I also can take off with same two neighbors
any of these come in gaseous forms in normal earthen temperatures
Some other neighbors really like me. I can make them bigger and powerful
Many other elements can oxidize, metals can make strong alloys in the right ratios
Left alone, I am very agreeable
6 is a Perfect Number
Three of us is bad news
666 is the Number of the Beast
With two of my next door neighbors I become a hero
Hero 767 is “a very well-established Chinese brand of fountain pens” according to inksandpens.com.
I also can take off with same two neighbors
The Boeing 767 is a plane
Some other neighbors really like me. I can make them bigger and powerful
I guessed this is a reference to the 777 and 787 planes, but on reflection, perhaps this is about Friendly Numbers? 6 is the smallest of those, after all, and 42 (6 × 7), 56, 66, and 96 are also "friendly”. In addition, 36 (6²) is a Powerful Number.
Who am I? And who are these neighbors?
The digit 6, and its near neighbours (especially 7).
