7 × 17² × 421

Prime Factor Structure

Factorization String 7 × 17^2 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,036,432

Proper Divisor Sum 184,749

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #851677 ← → #851689

1 7 17 119 289 421 2,023 2,947 7,157 50,099 121,669 851,683

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

851,683 2,555,050 1,277,525 3,832,576 1,916,288 958,144 479,072 239,536 119,768 59,884 29,942 14,971 44,914 22,457 67,372 33,686 16,843 50,530 25,265 75,796 37,898 18,949 56,848 28,424 14,212 7,106 3,553 10,660 5,330 2,665 7,996 3,998 1,999 5,998 2,999 8,998 4,499 13,498 6,749 20,248 10,124 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152

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