In different bases Base Self-descriptive numbers (sequence A138480 in the OEIS) Values in base 10 (sequence A108551 in the OEIS) 7 3211000 389305 8 421010...

for examplePutting “…say” at the end of a clue is a deft way of indicating a soundalike without drawing much attention to it, but it can of course also me...

The northern continent of the Western Hemisphere, extending northward from the Colombia-Panama border and including Central America, Mexico, the islands o...

(intransitive, idiomatic) To behave like a clown or jokester (a cut-up); to misbehave; to act in a playful, comical, boisterous, or unruly manner to elici...

Given a natural number, calculate sum of all its proper divisors. A proper divisor of a natural number is the divisor that is strictly less than the numbe...

What is a Logic Puzzle? Logic puzzles come in all shapes and sizes, but the kind of puzzles we offer here are most commonly referred to as “logic grid” pu...

The fruit comes loaded with fiber and essential nutrients like vitamin C, folate, calcium, magnesium, phosphorous and potassium, which transform into a su...

Cryptic means ‘mystifying or having secret meaning’, so in these crosswords the answers to the clues are deliberately hidden. In every clue there are two ...

Optimal length Meta descriptions can be any length, but Google generally truncates snippets to ~155–160 characters. It’s best to keep meta descriptions lo...

The probability of guessing correctly once (assuming fair coins) is 0.5. So the probability of guessing correctly 52 coins would be . This is about . And ...