291,330

2 × 3³ × 5 × 13 × 83

Prime Factor Structure

Factorization String 2 × 3^3 × 5 × 13 × 83

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 64

Divisor Sum (σ) 846,720

Proper Divisor Sum 555,390

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #291299 ← → #291331

1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 83 90 117 130 135 166 195 234 249 270 351 390 415 498 585 702 747 830 1,079 1,170 1,245 1,494 1,755 2,158 2,241 2,490 3,237 3,510 3,735 4,482 5,395 6,474 7,470 9,711 10,790 11,205 16,185 19,422 22,410 29,133 32,370 48,555

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

291,330 145,665 436,996 218,498 109,249 327,748 163,874 81,937 245,812 122,906 61,453 184,360 92,180 46,090 23,045 69,136 34,568 17,284 8,642 4,321 12,964 6,482 3,241 9,724 4,862 2,431 7,294 3,647 10,942 5,471 16,414 8,207 24,622 12,311 36,934 18,467 55,402 27,701 83,104 41,552 20,776 10,388 5,194 2,597 7,792 3,896 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853

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