17,745

3 × 5 × 7 × 13²

Prime Factor Structure

Factorization String 3 × 5 × 7 × 13^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 35,136

Proper Divisor Sum 17,391

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #17737 ← → #17747

1 3 5 7 13 15 21 35 39 65 91 105 169 195 273 455 507 845 1,183 1,365 2,535 3,549 5,915 17,745

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

17,745 53,236 26,618 13,309 39,928 19,964 9,982 4,991 14,974 7,487 22,462 11,231 33,694 16,847 50,542 25,271 75,814 37,907 113,722 56,861 170,584 85,292 42,646 21,323 63,970 31,985 95,956 47,978 23,989 71,968 35,984 17,992 8,996 4,498 2,249 6,748 3,374 1,687 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19

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