WikiCards · Card list · Science cards · Binary logarithm
Uncommon card · Science
Binary logarithm, an Uncommon card
In mathematics, the binary logarithm is the power to which the number 2 must be raised to obtain the value n.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 74
- DEF
- 81
- Power
- 155
- Wikipedia reads a year
- 27,000
Power 155 (ATK + DEF): stronger than 80 % of WikiCards cards.
Binary logarithm quiz: 3 questions
Three questions on the Binary logarithm card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The binary logarithm is the logarithm to the base 2 and is the ______ function of the power of two function.
Answer
inverse. The binary logarithm is the logarithm to the base 2 and is the inverse function of the power of two function. From the Binary logarithm article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
List of awards and nominations received by Dua Lipa. List of awards and nominations received by Dua Lipa 90 · Mississippian period 85 · Binary relation 79 · Binary logarithm 74 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Agoraphobia. Agoraphobia 940,000 · Binary relation 47,000 · Binary logarithm 27,000 · Glutamate receptor 17,000 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.
- That is, for any real number x, x = log 2 n ⟺ 2 x = n. For example, the binary logarithm of 1 is 0, the binary logarithm of 2 is 1, the binary logarithm of 4 is 2, and the binary logarithm of 32 is 5.
- The binary logarithm is the logarithm to the base 2 and is the inverse function of the power of two function.
- There are several alternatives to the log2 notation for the binary logarithm, see the Notation section below.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Binary logarithm article was read about 27,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 74 and blocks with 81: each hit it takes is cut by 32 %.
How to get Binary logarithm
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 Binary logarithm in the power ranking, all domains together.
- Shopping centerUncommon · Science · ATK 79 DEF 76
- List of awards and nominations received by Dua LipaUncommon · Science · ATK 90 DEF 65
- Gold mining in the United StatesUncommon · Society · ATK 73 DEF 82
- Soccer in CanadaUncommon · Society · ATK 79 DEF 76
- Mississippian periodUncommon · History · ATK 85 DEF 70
- Ulma familyUncommon · History · ATK 75 DEF 80
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, Binary logarithm (revision), CC BY-SA 4.0. Photo : Krishnavedala, CC BY-SA 3.0, Wikimedia Commons.



