138,481

7 × 73 × 271

Prime Factor Structure

Factorization String 7 × 73 × 271

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 161,024

Proper Divisor Sum 22,543

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #138469 ← → #138493

1 7 73 271 511 1,897 19,783 138,481

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

138,481 415,444 207,722 103,861 311,584 155,792 77,896 38,948 19,474 9,737 29,212 14,606 7,303 21,910 10,955 32,866 16,433 49,300 24,650 12,325 36,976 18,488 9,244 4,622 2,311 6,934 3,467 10,402 5,201 15,604 7,802 3,901 11,704 5,852 2,926 1,463 4,390 2,195 6,586 3,293 9,880 4,940 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881

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