Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
muslim:1856h – ʿUthmān b. Abū Shaybah And ʾIsḥāq b. Ibrāhīm > Isḥāq > ʿUthmān > Jarīr > al-Aʿmash > Sālim b. Abū al-Jaʿd > Lijābir Kam Kuntum Yawmaʾidh

I asked Jabir: How many were you on the Day of Hudaibiya? He said: One thousand and four hundred.  

مسلم:١٨٥٦h – وَحَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ وَإِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ إِسْحَاقُ أَخْبَرَنَا وَقَالَ عُثْمَانُ حَدَّثَنَا جَرِيرٌ عَنِ الأَعْمَشِ حَدَّثَنِي سَالِمُ بْنُ أَبِي الْجَعْدِ قَالَ قُلْتُ لِجَابِرٍ كَمْ كُنْتُمْ يَوْمَئِذٍ قَالَ

أَلْفًا وَأَرْبَعَمِائَةٍ  

See similar narrations below:

Collected by Bukhārī, Aḥmad, Bayhaqī, Suyūṭī
bukhari:4840 – Qutaybah b. Saʿīd > Sufyān > ʿAmr > Jābir

We were one thousand and four hundred on the Day of Al-Hudaibiya.  

البخاري:٤٨٤٠ – حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ حَدَّثَنَا سُفْيَانُ عَنْ عَمْرٍو عَنْ جَابِرٍ قَالَ

كُنَّا يَوْمَ الْحُدَيْبِيَةِ أَلْفًا وَأَرْبَعَمِائَةٍ  

ahmad:14330 – Naṣr b. Bāb > Ḥajjāj > al-Dhayyāl b. Ḥarmalah > Saʾalt Jābir b. ʿAbdullāh al-Anṣārī Kam Kuntum Yawm al-Shajarah

I asked Jabir: How many were you on the Day of Hudaibiya? He said: One thousand and four hundred. (Using translation from Muslim 1856h)   

أحمد:١٤٣٣٠ – حَدَّثَنَا نَصْرُ بْنُ بَابٍ عَنْ حَجَّاجٍ عَنِ الذَّيَّالِ بْنِ حَرْمَلَةَ قَالَ سَأَلْتُ جَابِرَ بْنَ عَبْدِ اللهِ الْأَنْصَارِيَّ كَمْ كُنْتُمْ يَوْمَ الشَّجَرَةِ؟ قَالَ

كُنَّا أَلْفًا وَأَرْبَعَ مِائَةٍ  

bayhaqi:7574 – Abū ʿAbdullāh al-Ḥāfiẓ And ʾAbū Saʿīd b. Abū ʿUmar > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > Hārūn b. Sulaymān > ʿAbd al-Raḥman b. Mahdī > ʿUthmān b. Mūsá > Nāfiʿ > Ibn ʿUmar

I asked Jabir: How many were you on the Day of Hudaibiya? He said: One thousand and four hundred. (Using translation from Muslim 1856h)   

البيهقي:٧٥٧٤ – أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ وَأَبُو سَعِيدِ بْنُ أَبِي عُمَرَ قَالَا ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا هَارُونُ بْنُ سُلَيْمَانَ ثنا عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ عَنْ عُثْمَانَ بْنِ مُوسَى عَنْ نَافِعٍ أَنَّ ابْنَ عُمَرَ تَقَلَّدَ سَيْفَ عُمَرَ ؓ يَوْمَ قَتْلِ عُثْمَانَ ؓ وَكَانَ مُحَلًّى قَالَ قُلْتُ كَمْ كَانَتْ حِلْيَتُهُ؟ قَالَ

أَرْبَعُمِائَةٍ