511,506

2 × 3² × 157 × 181

Prime Factor Structure

Factorization String 2 × 3^2 × 157 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 1,121,484

Proper Divisor Sum 609,978

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #511487 ← → #511507

1 2 3 6 9 18 157 181 314 362 471 543 942 1,086 1,413 1,629 2,826 3,258 28,417 56,834 85,251 170,502 255,753 511,506

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

511,506 255,753 767,260 383,630 191,815 575,446 287,723 863,170 431,585 1,294,756 647,378 323,689 971,068 485,534 242,767 728,302 364,151 1,092,454 546,227 1,638,682 819,341 2,458,024 1,229,012 614,506 307,253 921,760 460,880 230,440 115,220 57,610 28,805 86,416 43,208 21,604 10,802 5,401 16,204 8,102 4,051 12,154 6,077 18,232 9,116 4,558 2,279 6,838 3,419 10,258 5,129 15,388 7,694 3,847 11,542 5,771 17,314 8,657 25,972 12,986 6,493 19,480

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