3² × 5 × 13 × 373

Prime Factor Structure

Factorization String 3^2 × 5 × 13 × 373

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 408,408

Proper Divisor Sum 190,203

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #218191 ← → #218213

1 3 5 9 13 15 39 45 65 117 195 373 585 1,119 1,865 3,357 4,849 5,595 14,547 16,785 24,245 43,641 72,735 218,205

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

218,205 654,616 327,308 163,654 81,827 245,482 122,741 368,224 184,112 92,056 46,028 23,014 11,507 34,522 17,261 51,784 25,892 12,946 6,473 19,420 9,710 4,855 14,566 7,283 21,850 10,925 32,776 16,388 8,194 4,097 12,292 6,146 3,073 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466 233

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