Compare Numbers 2:2 and 3 Enoch 36:1

“... But mah˙anaîm in the next line suggests that the primary link is with the Genesis verse, which in turn links with Gen. 32: 3, where Jacob again encounters angels of God: ‘This is God’s camp’, he says, and he calls the name of the place Mahanaim. This word is widely thought on the one hand to be a dual form meaning ‘two camps’, and on the other a dual form with singular meaning. Against the latter are the occurrences of forms of mah˙aneh meaning ‘camps’ in the Merkava texts. Philip Alexander, in his book on the mystical texts of Qumran, writes: The ordinary angels are designated ‘the camps of ‘Elohim’ . . . The language is suggest- ive and once again hints at a parallelism between earth and heaven, between Israel and the angels. Tradition linked the origin of the idea that the angels were marshalled in camps with the name Mahanaim (‘Two Camps’), which Jacob gave to the place where he met the ‘angels of God (’Elohim)’ in Gen. 32.2. Later Jewish mystical literature often refers to the ‘camps’ of angels (3 Enoch 36.1; Heikhalot Rabbati 28.2, Synopse §277; Sefer ha-Razim 1.5; 4.23; 6.30). But the term forges another link––with Israel in the wilderness where the tribes were organized in camps around the tabernacle (see Num. 2).22 ...”