natural number
"natural-number" is a 13-letter English headword indexed on PlainSpell.
The verdict
“natural number” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 14
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A positive integer {1, 2, 3, ...}.
Corpus desk
Index EN-natural-number · natural number · English
natural number · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 14 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "N" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | natural number |
| Language | English |
| Part of speech | Noun |
| Letters | 14 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “natural number” in English
Rare enough to double-check
natural number is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
We couldn't generate a plausible misspelling set for natural number, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Our source data has no etymology on file for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is natural number, spelled N-A-T-U-R-A-L- -N-U-M-B-E-R.
Definition
- 1A positive integer {1, 2, 3, ...}.
- 2A non-negative integer {0, 1, 2, ...}.
Recorded use
Wiktionary exampleThese source excerpts show how natural number appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
A careful derivation of the arithmetic properties of the natural numbers #92;mathbb#123;N#125;, using induction, was done by G. Peano (1858–1932). It is a lot of fun, but we will not pursue any of it here.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.