2³ × 137 × 197

Prime Factor Structure

Factorization String 2^3 × 137 × 197

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 409,860

Proper Divisor Sum 193,948

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #215909 ← → #215921

1 2 4 8 137 197 274 394 548 788 1,096 1,576 26,989 53,978 107,956 215,912

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

215,912 107,956 53,978 26,989 80,968 40,484 20,242 10,121 30,364 15,182 7,591 22,774 11,387 34,162 17,081 51,244 25,622 12,811 38,434 19,217 57,652 28,826 14,413 43,240 21,620 10,810 5,405 16,216 8,108 4,054 2,027 6,082 3,041 9,124 4,562 2,281 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372

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