511,394

2 × 13² × 17 × 89

Prime Factor Structure

Factorization String 2 × 13^2 × 17 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 889,380

Proper Divisor Sum 377,986

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #511391 ← → #511409

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

511,394 255,697 767,092 383,546 191,773 575,320 287,660 143,830 71,915 215,746 107,873 323,620 161,810 80,905 242,716 121,358 60,679 182,038 91,019 273,058 136,529 409,588 204,794 102,397 307,192 153,596 76,798 38,399 115,198 57,599 172,798 86,399 259,198 129,599 388,798 194,399 583,198 291,599 874,798 437,399 1,312,198 656,099 1,968,298 984,149 2,952,448 1,476,224 738,112 369,056 184,528 92,264 46,132 23,066 11,533 34,600 17,300 8,650 4,325 12,976 6,488 3,244

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