2 × 19² × 181

Prime Factor Structure

Factorization String 2 × 19^2 × 181

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 208,026

Proper Divisor Sum 77,344

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #130681 ← → #130687

1 2 19 38 181 361 362 722 3,439 6,878 65,341 130,682

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

130,682 65,341 196,024 98,012 49,006 24,503 73,510 36,755 110,266 55,133 165,400 82,700 41,350 20,675 62,026 31,013 93,040 46,520 23,260 11,630 5,815 17,446 8,723 26,170 13,085 39,256 19,628 9,814 4,907 14,722 7,361 22,084 11,042 5,521 16,564 8,282 4,141 12,424 6,212 3,106 1,553 4,660 2,330 1,165 3,496 1,748 874 437 1,312 656 328 164 82 41 124 62 31 94 47 142

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