| 262 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 168 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 151 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 188 | A New Dictionary of Kanji Usage |
| 2057 | Classic Nelson (Andrew Nelson) |
| 429 | Essential Kanji (P.G. O’Neill) |
| 592 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2169 | Japanese Names (P.G. O’Neill) |
| 3.6 | Japanese for Busy People |
| 225 | Kanji and Kana (Spahn and Hadamitzky) |
| 225 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 529 | Kanji in Context (Nishiguchi and Kono) |
| 945 | Kodansha Compact Kanji Guide |
| 2245 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1170 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1591 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 938 | Les Kanjis dans la tete (Yves Maniette) |
| 13319 | Morohashi |
| 1790 | New Japanese English Character Dictionary (Jack Halpern) |
| 2353 | New Nelson (John Haig) |
| 929 | Remembering The Kanji (James Heisig) |
| 998 | Remembering The Kanji, 6th edition (James Heisig) |
| 159 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 227 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 2
JLPT level N3
148 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 数 【スウ】 several, a number of, quantity, amount, counting, figures, numbers, number, numeral, figure, number, destiny, fate, course of events, trend
- 数億年 【スウオクネン】 several hundred million years
- 複数 【フクスウ】 plural, multiple, plural (number)
- 枚数 【マイスウ】 the number of flat things, win-loss difference which influences the ranking of wrestlers
- 数 【スウ】 several, a number of, quantity, amount, counting, figures, numbers, number, numeral, figure, number, destiny, fate, course of events, trend
- 数億年 【スウオクネン】 several hundred million years
- 数牌 【シューパイ】 suited tiles
Kun reading compounds
- 数 【かず】 number, amount
- 数多く 【かずおおく】 in great numbers
- 手数 【てすう】 trouble, bother, number of moves (in go, shogi, etc.), number of punches
- 口数 【くちかず】 number of words a person speaks, number of dependents, number of mouths to feed, number of shares, items, applications, etc.
- 数える 【かぞえる】 to count, to enumerate
- 屡々 【しばしば】 often, again and again, frequently, repeatedly
Readings
- Japanese names:
- じゅ
- Korean:
- su, chog
Spanish
- número
- cifra
- contar
Portuguese
- número
- vigor
- destino
- lei
- figuras
French
- nombre
- compter
- destin
- loi
- chiffres
| 1066 | 2001 Kanji |
| 4i9.1 | The Kanji Dictionary |
| 1-9-4 | SKIP code |
| 9844.0 | Four corner code |
| 1-31-84 | JIS X 0208-1997 kuten code |
| 6570 | Unicode hex code |
second (1/60 minute)
- On:
- ビョウ
Jōyō kanji, taught in grade 3
JLPT level N2
1015 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 秒 【ビョウ】 second (unit of time), arc second
- 秒速 【ビョウソク】 speed per second, velocity per second, instant, moment, a few seconds
- 壊変毎秒 【カイヘンマイビョウ】 decays per second, disintegrations per second, dps
- 閏秒 【ウルウビョウ】 leap second
Readings
- Korean:
- cho, myo
Spanish
- segundo (unidad de tiempo)
Portuguese
- segundo (1/ 60 minuto)
French
- seconde
| 499 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 403 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 380 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 831 | A New Dictionary of Kanji Usage |
| 3271 | Classic Nelson (Andrew Nelson) |
| 867 | Essential Kanji (P.G. O’Neill) |
| 779 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1152 | Kanji and Kana (Spahn and Hadamitzky) |
| 1207 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1151 | Kanji in Context (Nishiguchi and Kono) |
| 1432 | Kodansha Compact Kanji Guide |
| 1462 | Kodansha Kanji Dictionary (Jack Halpern) |
| 774 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1052 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 908 | Les Kanjis dans la tete (Yves Maniette) |
| 24952 | Morohashi |
| 1137 | New Japanese English Character Dictionary (Jack Halpern) |
| 4129 | New Nelson (John Haig) |
| 899 | Remembering The Kanji (James Heisig) |
| 965 | Remembering The Kanji, 6th edition (James Heisig) |
| 344 | Tuttle Kanji Cards (Alexander Kask) |
| 2260 | 2001 Kanji |
| 5d4.2 | The Kanji Dictionary |
| 1-5-4 | SKIP code |
| 2992.0 | Four corner code |
| 1-41-35 | JIS X 0208-1997 kuten code |
| 79d2 | Unicode hex code |