5 × 11 × 31 × 389

Prime Factor Structure

Factorization String 5 × 11 × 31 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 898,560

Proper Divisor Sum 235,315

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #663241 ← → #663263

1 5 11 31 55 155 341 389 1,705 1,945 4,279 12,059 21,395 60,295 132,649 663,245

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

663,245 1,989,736 994,868 497,434 248,717 746,152 373,076 186,538 93,269 279,808 139,904 69,952 34,976 17,488 8,744 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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