5 × 7 × 31 × 521

Prime Factor Structure

Factorization String 5 × 7 × 31 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 801,792

Proper Divisor Sum 236,507

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #565283 ← → #565289

1 5 7 31 35 155 217 521 1,085 2,605 3,647 16,151 18,235 80,755 113,057 565,285

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

565,285 1,695,856 847,928 423,964 211,982 105,991 317,974 158,987 476,962 238,481 715,444 357,722 178,861 536,584 268,292 134,146 67,073 201,220 100,610 50,305 150,916 75,458 37,729 113,188 56,594 28,297 84,892 42,446 21,223 63,670 31,835 95,506 47,753 143,260 71,630 35,815 107,446 53,723 161,170 80,585 241,756 120,878 60,439 181,318 90,659 271,978 135,989 407,968 203,984 101,992 50,996 25,498 12,749 38,248 19,124 9,562 4,781 14,344 7,172 3,586

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