17,580,394

2 × 13³ × 4001

Prime Factor Structure

Factorization String 2 × 13^3 × 4001

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 28,574,280

Proper Divisor Sum 10,993,886

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #17580391 ← → #17580443

1 2 13 26 169 338 2,197 4,001 4,394 8,002 52,013 104,026 676,169 1,352,338 8,790,197 17,580,394

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

17,580,394 8,790,197 26,370,592 13,185,296 6,592,648 3,296,324 1,648,162 824,081 2,472,244 1,236,122 618,061 1,854,184 927,092 463,546 231,773 695,320 347,660 173,830 86,915 260,746 130,373 391,120 195,560 97,780 48,890 24,445 73,336 36,668 18,334 9,167 27,502 13,751 41,254 20,627 61,882 30,941 92,824 46,412 23,206 11,603 34,810 17,405 52,216 26,108 13,054 6,527 19,582 9,791 29,374 14,687 44,062 22,031 66,094 33,047 99,142 49,571 148,714 74,357 223,072 111,536

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