3² × 13 × 157

Prime Factor Structure

Factorization String 3^2 × 13 × 157

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 28,756

Proper Divisor Sum 10,387

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #18367 ← → #18371

1 3 9 13 39 117 157 471 1,413 2,041 6,123 18,369

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

18,369 55,108 27,554 13,777 41,332 20,666 10,333 31,000 15,500 7,750 3,875 11,626 5,813 17,440 8,720 4,360 2,180 1,090 545 1,636 818 409 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4

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