19 × 31 × 421

Prime Factor Structure

Factorization String 19 × 31 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 270,080

Proper Divisor Sum 22,111

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #247957 ← → #247991

1 19 31 421 589 7,999 13,051 247,969

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

247,969 743,908 371,954 185,977 557,932 278,966 139,483 418,450 209,225 627,676 313,838 156,919 470,758 235,379 706,138 353,069 1,059,208 529,604 264,802 132,401 397,204 198,602 99,301 297,904 148,952 74,476 37,238 18,619 55,858 27,929 83,788 41,894 20,947 62,842 31,421 94,264 47,132 23,566 11,783 35,350 17,675 53,026 26,513 79,540 39,770 19,885 59,656 29,828 14,914 7,457 22,372 11,186 5,593 16,780 8,390 4,195 12,586 6,293 18,880 9,440

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