3² × 23 × 43 × 73

Prime Factor Structure

Factorization String 3^2 × 23 × 43 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,015,872

Proper Divisor Sum 366,099

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #649771 ← → #649777

1 3 9 23 43 69 73 129 207 219 387 657 989 1,679 2,967 3,139 5,037 8,901 9,417 15,111 28,251 72,197 216,591 649,773

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

649,773 1,949,320 974,660 487,330 243,665 730,996 365,498 182,749 548,248 274,124 137,062 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 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310 155 466 233 700

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