WikiCards · Card list · Science cards · Natural number
Rare card · Science
Natural number, a Rare card
In mathematics, the natural numbers are the numbers used for counting up, starting from 0 or 1.
- Rarity
- Rare
- Domain
- Science
- ATK
- 76
- DEF
- 75
- Power
- 151
- Wikipedia reads a year
- 300,000
Power 151 (ATK + DEF): stronger than 80 % of WikiCards cards.
Natural number quiz: 3 questions
Three questions on the Natural number card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The set of the natural numbers is commonly denoted by a bold N or a ______ bold N .
Answer
blackboard. The set of the natural numbers is commonly denoted by a bold N or a blackboard bold N . From the Natural number article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
List of WWE pay-per-view and livestreaming supercards. List of WWE pay-per-view and livestreaming supercards 95 · William James 84 · Natural number 76 · Tornadoes of 1969 71 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
List of WWE pay-per-view and livestreaming supercards. List of WWE pay-per-view and livestreaming supercards 2,800,000 · Natural number 300,000 · Tornadoes of 1969 5,600 · List of United States post offices in New Jersey 470 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The first few natural numbers are 0, 1, 2, 3, and so on.
- The terms positive integers, non-negative integers, whole numbers, and counting numbers are also used.
- The set of the natural numbers is commonly denoted by a bold N or a blackboard bold N .
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Natural number article was read about 300,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 76 and blocks with 75: each hit it takes is cut by 30 %.
How to get Natural number
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Natural number in the power ranking, all domains together.
- CucumberRare · Nature · ATK 72 DEF 79
- David LeanRare · Arts · ATK 80 DEF 71
- Bantu peoplesRare · Society · ATK 76 DEF 75
- William JamesRare · Science · ATK 84 DEF 67
- Pierre CurieRare · Science · ATK 71 DEF 80
- GullRare · Nature · ATK 75 DEF 76
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Natural number (revision), CC BY-SA 4.0. Photo : Ponor, CC0, Wikimedia Commons.


