213,669

3² × 23741

Prime Factor Structure

Factorization String 3^2 × 23741

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 6

Divisor Sum (σ) 308,646

Proper Divisor Sum 94,977

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #213659 ← → #213713

1 3 9 23,741 71,223 213,669

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

213,669 641,008 320,504 160,252 80,126 40,063 120,190 60,095 180,286 90,143 270,430 135,215 405,646 202,823 608,470 304,235 912,706 456,353 1,369,060 684,530 342,265 1,026,796 513,398 256,699 770,098 385,049 1,155,148 577,574 288,787 866,362 433,181 1,299,544 649,772 324,886 162,443 487,330 243,665 730,996 365,498 182,749 548,248 274,124 137,062 68,531 205,594 102,797 308,392 154,196 77,098 38,549 115,648 57,824 28,912 14,456 7,228 3,614 1,807 5,422 2,711 8,134

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