3² × 5 × 21937

Prime Factor Structure

Factorization String 3^2 × 5 × 21937

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,711,164

Proper Divisor Sum 723,999

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #987143 ← → #987191

1 3 5 9 15 45 21,937 65,811 109,685 197,433 329,055 987,165

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

987,165 2,961,496 1,480,748 740,374 370,187 1,110,562 555,281 1,665,844 832,922 416,461 1,249,384 624,692 312,346 156,173 468,520 234,260 117,130 58,565 175,696 87,848 43,924 21,962 10,981 32,944 16,472 8,236 4,118 2,059 6,178 3,089 9,268 4,634 2,317 6,952 3,476 1,738 869 2,608 1,304 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5

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