Word.ws English Dictionary

Carol number

Carol number noun: an integer of the form 4ⁿ-2ⁿ⁺¹-1.

Noun

Carol number (plural Carol numbers)

  1. An integer of the form 4ⁿ-2ⁿ⁺¹-1.
    • Mathematically, it is actually interesting in all sorts of ways, being both a Keith number and a Carol number.2009, The Philosophers' Magazine - Issue 47, page 4
    • […] 7. There are 47 occurrences of 47 in the first thousand prime numbers. 8. The atomic number of Silver is 47. 9. It is a Carol number. […]2014, Rajesh Kumar Thakur, The Power of Mathematical Numbers, page 131

Forms of Carol number

pluralCarol numbers

Origin of Carol number

First studied by Cletus Emmanuel, who named it after a friend, Carol G. Kirnon.

Questions about Carol number

What does Carol number mean?
Carol number means an integer of the form 4ⁿ-2ⁿ⁺¹-1.
What part of speech is Carol number?
Carol number is a noun.
What is the plural of Carol number?
The plural of Carol number is Carol numbers.

Words near Carol number in the dictionary

  1. caroche
  2. caroches
  3. carochs
  4. carol
  5. Carol Green
  6. Carol number
  7. Carol numbers
  8. Carol prime
  9. Carol primes
  10. carol singer
  11. carol singers

Source and license

Adapted from Wiktionary: Carol number (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “Carol number.” Word.ws, https://word.ws/carol_number. Based on Wiktionary, CC BY-SA 4.0.