וְעַבְדֵ֣י דָוִ֗ד הִכּוּ֙ מִבִּנְיָמִ֔ן וּבְאַנְשֵׁ֖י אַבְנֵ֑ר שְׁלֹשׁ־מֵא֧וֹת וְשִׁשִּׁ֛ים אִ֖ישׁ מֵֽתוּ׃
But the servants of David had smitten of Benjamin, even of Abner’s men—three hundred and threescore men died.
Read Kabbalistic (mystical) interpretations of II Samuel 2:31: Zohar and classical Jewish mystical sources, free online.