2³ × 3 × 5 × 157

Prime Factor Structure

Factorization String 2^3 × 3 × 5 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 56,880

Proper Divisor Sum 38,040

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #18839 ← → #18859

1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 157 314 471 628 785 942 1,256 1,570 1,884 2,355 3,140 3,768 4,710 6,280 9,420 18,840

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

18,840 9,420 4,710 2,355 7,066 3,533 10,600 5,300 2,650 1,325 3,976 1,988 994 497 1,492 746 373 1,120 560 280 140 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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