random number

Unpredictable digit selection

A random number is a value selected by chance from a range of possibilities, with no predictable pattern determining which value appears.

True randomness requires that each outcome be equally likely and independent of previous results.

Computers typically generate pseudorandom numbers—sequences that appear random but follow deterministic algorithms.

Random numbers are essential in cryptography, statistical sampling, simulations, and games: The lottery uses random numbers to select winners.

computation

generator

Electricity-producing machine

Monte Carlo · simulation · sequence · distribution · probability · permutation · sampling · integer · digit · decimal

statistics

sample

Subset for study

normal curve · outlier · mean · median · dataset · population · stochastic · variable · frequency · bell curve

lottery

jackpot

Accumulated gambling prize

draw · scratch-off · ticket · winnings · payout · lucky numbers · odds · prize · rollover · raffle

chance

unpredictability

State resisting forecasts

  • luckChance affecting outcomes
  • fatePredetermined course of events
  • coincidenceUnplanned matching of events

happenstance · serendipity · arbitrary · haphazard · fluke · odds · uncertainty · risk · gamble · speculation

Categories
Opposites
predictability/determinism

random numberconstant

Fixed, unvarying quantity

expected value · known quantity · invariant

intentionality/design

random numbersignificant figure

Precision-conveying numeral in measurement

lucky number · magic number

ordering/sequence

random numberserial number

Unique alphanumeric product identifier

progression

Family

number, random, randomly, randomized, randomize, nonrandom, randomization, randomizing

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G