255,409

7 × 11 × 31 × 107

Prime Factor Structure

Factorization String 7 × 11 × 31 × 107

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 331,776

Proper Divisor Sum 76,367

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #255383 ← → #255413

1 7 11 31 77 107 217 341 749 1,177 2,387 3,317 8,239 23,219 36,487 255,409

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

255,409 766,228 383,114 191,557 574,672 287,336 143,668 71,834 35,917 107,752 53,876 26,938 13,469 40,408 20,204 10,102 5,051 15,154 7,577 22,732 11,366 5,683 17,050 8,525 25,576 12,788 6,394 3,197 9,592 4,796 2,398 1,199 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271

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