[[2388]] is not prime (composite). Want proof? :)

Full prime factorization: [[2]] * [[2]] * [[3]] * [[199]]

Factor pairs:

[[2388]] = [[2]] * [[1194]]

[[2388]] = [[3]] * [[796]]

[[2388]] = [[4]] * [[597]]

[[2388]] = [[6]] * [[398]]

[[2388]] = [[12]] * [[199]]

Proper divisors: [[2]], [[3]], [[4]], [[6]], [[12]], [[199]], [[398]], [[597]], [[796]], [[1194]]

Primes up to 2388: [[2]], [[3]], [[5]], [[7]], [[11]], [[13]], [[17]], [[19]], [[23]], [[29]], [[31]], [[37]], [[41]], [[43]], [[47]], [[53]], [[59]], [[61]], [[67]], [[71]], [[73]], [[79]], [[83]], [[89]], [[97]], [[101]], [[103]], [[107]], [[109]], [[113]], [[127]], [[131]], [[137]], [[139]], [[149]], [[151]], [[157]], [[163]], [[167]], [[173]], [[179]], [[181]], [[191]], [[193]], [[197]], [[199]], [[211]], [[223]], [[227]], [[229]], … (354 total).

[[2388]] is not a centered hexagonal number.

The closest centered hexagonal numbers are [[2269]] (index #[[28]]) and [[2437]] (index #[[29]]).

First 20 centered hexagonal numbers: [[1]], [[7]], [[19]], [[37]], [[61]], [[91]], [[127]], [[169]], [[217]], [[271]], [[331]], [[397]], [[469]], [[547]], [[631]], [[721]], [[817]], [[919]], [[1027]], [[1141]].

• [[square]]: 5702544

• [[square root]]: 48.8672

• [[cube]]: 13617675072

• [[cube root]]: 13.3663

• [[natural log]] (ln): 7.7782

• [[base-10 log]] (log10): 3.3780

• [[base-2 log]] (log2): 11.2216