409,003

7² × 17 × 491

409,003 is odd and not a perfect square. Its factorization is 7^2 × 17 × 491 and its 12 divisors sum to 504,792.

Prime Factor Structure

Factorization String 7^2 × 17 × 491

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 504,792

Proper Divisor Sum 95,789

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #408997 ← → #409007

1 7 17 49 119 491 833 3,437 8,347 24,059 58,429 409,003

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

409,003 1,227,010 613,505 1,840,516 920,258 460,129 1,380,388 690,194 345,097 1,035,292 517,646 258,823 776,470 388,235 1,164,706 582,353 1,747,060 873,530 436,765 1,310,296 655,148 327,574 163,787 491,362 245,681 737,044 368,522 184,261 552,784 276,392 138,196 69,098 34,549 103,648 51,824 25,912 12,956 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572

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