2 × 3² × 7 × 157

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 49,296

Proper Divisor Sum 29,514

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #19777 ← → #19793

1 2 3 6 7 9 14 18 21 42 63 126 157 314 471 942 1,099 1,413 2,198 2,826 3,297 6,594 9,891 19,782

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

19,782 9,891 29,674 14,837 44,512 22,256 11,128 5,564 2,782 1,391 4,174 2,087 6,262 3,131 9,394 4,697 14,092 7,046 3,523 10,570 5,285 15,856 7,928 3,964 1,982 991 2,974 1,487 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038 3,019 9,058 4,529

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