2 × 3² × 7² × 157

Prime Factor Structure

Factorization String 2 × 3^2 × 7^2 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 351,234

Proper Divisor Sum 212,760

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #138469 ← → #138493

1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 157 294 314 441 471 882 942 1,099 1,413 2,198 2,826 3,297 6,594 7,693 9,891 15,386 19,782 23,079 46,158 69,237 138,474

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

138,474 69,237 207,712 103,856 51,928 25,964 12,982 6,491 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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