16,165,331

7 × 13 × 349 × 509

Prime Factor Structure

Factorization String 7 × 13 × 349 × 509

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 19,992,000

Proper Divisor Sum 3,826,669

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #16165327 ← → #16165361

1 7 13 91 349 509 2,443 3,563 4,537 6,617 31,759 46,319 177,641 1,243,487 2,309,333 16,165,331

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

16,165,331 48,495,994 24,247,997 72,743,992 36,371,996 18,185,998 9,092,999 27,278,998 13,639,499 40,918,498 20,459,249 61,377,748 30,688,874 15,344,437 46,033,312 23,016,656 11,508,328 5,754,164 2,877,082 1,438,541 4,315,624 2,157,812 1,078,906 539,453 1,618,360 809,180 404,590 202,295 606,886 303,443 910,330 455,165 1,365,496 682,748 341,374 170,687 512,062 256,031 768,094 384,047 1,152,142 576,071 1,728,214 864,107 2,592,322 1,296,161 3,888,484 1,944,242 972,121 2,916,364 1,458,182 729,091 2,187,274 1,093,637 3,280,912 1,640,456 820,228 410,114 205,057 615,172

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