3 × 7 × 19 × 439

Prime Factor Structure

Factorization String 3 × 7 × 19 × 439

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 281,600

Proper Divisor Sum 106,439

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #175141 ← → #175211

1 3 7 19 21 57 133 399 439 1,317 3,073 8,341 9,219 25,023 58,387 175,161

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

175,161 525,484 262,742 131,371 394,114 197,057 591,172 295,586 147,793 443,380 221,690 110,845 332,536 166,268 83,134 41,567 124,702 62,351 187,054 93,527 280,582 140,291 420,874 210,437 631,312 315,656 157,828 78,914 39,457 118,372 59,186 29,593 88,780 44,390 22,195 66,586 33,293 99,880 49,940 24,970 12,485 37,456 18,728 9,364 4,682 2,341 7,024 3,512 1,756 878 439 1,318 659 1,978 989 2,968 1,484 742 371 1,114

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