1,399,342

2 × 7² × 109 × 131

Prime Factor Structure

Factorization String 2 × 7^2 × 109 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 2,482,920

Proper Divisor Sum 1,083,578

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1399319 ← → #1399351

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

1,399,342 699,671 2,099,014 1,049,507 3,148,522 1,574,261 4,722,784 2,361,392 1,180,696 590,348 295,174 147,587 442,762 221,381 664,144 332,072 166,036 83,018 41,509 124,528 62,264 31,132 15,566 7,783 23,350 11,675 35,026 17,513 52,540 26,270 13,135 39,406 19,703 59,110 29,555 88,666 44,333 133,000 66,500 33,250 16,625 49,876 24,938 12,469 37,408 18,704 9,352 4,676 2,338 1,169 3,508 1,754 877 2,632 1,316 658 329 988 494 247

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