9,720,165

3 × 5 × 7 × 13 × 7121

Prime Factor Structure

Factorization String 3 × 5 × 7 × 13 × 7121

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Total Divisors 32

Divisor Sum (σ) 19,143,936

Proper Divisor Sum 9,423,771

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #9720163 ← → #9720197

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

9,720,165 29,160,496 14,580,248 7,290,124 3,645,062 1,822,531 5,467,594 2,733,797 8,201,392 4,100,696 2,050,348 1,025,174 512,587 1,537,762 768,881 2,306,644 1,153,322 576,661 1,729,984 864,992 432,496 216,248 108,124 54,062 27,031 81,094 40,547 121,642 60,821 182,464 91,232 45,616 22,808 11,404 5,702 2,851 8,554 4,277 12,832 6,416 3,208 1,604 802 401 1,204 602 301 904 452 226 113 340 170 85 256 128 64 32 16 8

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