2² × 5 × 7 × 2081

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 2081

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 699,552

Proper Divisor Sum 408,212

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #291337 ← → #291349

1 2 4 5 7 10 14 20 28 35 70 140 2,081 4,162 8,324 10,405 14,567 20,810 29,134 41,620 58,268 72,835 145,670 291,340

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

291,340 145,670 72,835 218,506 109,253 327,760 163,880 81,940 40,970 20,485 61,456 30,728 15,364 7,682 3,841 11,524 5,762 2,881 8,644 4,322 2,161 6,484 3,242 1,621 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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