13 × 157 × 193

Prime Factor Structure

Factorization String 13 × 157 × 193

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 429,128

Proper Divisor Sum 35,215

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #393901 ← → #393919

1 13 157 193 2,041 2,509 30,301 393,913

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

393,913 1,181,740 590,870 295,435 886,306 443,153 1,329,460 664,730 332,365 997,096 498,548 249,274 124,637 373,912 186,956 93,478 46,739 140,218 70,109 210,328 105,164 52,582 26,291 78,874 39,437 118,312 59,156 29,578 14,789 44,368 22,184 11,092 5,546 2,773 8,320 4,160 2,080 1,040 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13

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