3 × 5 × 79 × 821

Prime Factor Structure

Factorization String 3 × 5 × 79 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,578,240

Proper Divisor Sum 605,355

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #972869 ← → #972887

1 3 5 15 79 237 395 821 1,185 2,463 4,105 12,315 64,859 194,577 324,295 972,885

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

972,885 2,918,656 1,459,328 729,664 364,832 182,416 91,208 45,604 22,802 11,401 34,204 17,102 8,551 25,654 12,827 38,482 19,241 57,724 28,862 14,431 43,294 21,647 64,942 32,471 97,414 48,707 146,122 73,061 219,184 109,592 54,796 27,398 13,699 41,098 20,549 61,648 30,824 15,412 7,706 3,853 11,560 5,780 2,890 1,445 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172

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