5² × 7 × 31 × 71

Prime Factor Structure

Factorization String 5^2 × 7 × 31 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 571,392

Proper Divisor Sum 186,217

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #385171 ← → #385193

1 5 7 25 31 35 71 155 175 217 355 497 775 1,085 1,775 2,201 2,485 5,425 11,005 12,425 15,407 55,025 77,035 385,175

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

385,175 1,155,526 577,763 1,733,290 866,645 2,599,936 1,299,968 649,984 324,992 162,496 81,248 40,624 20,312 10,156 5,078 2,539 7,618 3,809 11,428 5,714 2,857 8,572 4,286 2,143 6,430 3,215 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140 4,070 2,035 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450

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