2,500,665

3 × 5 × 43 × 3877

Prime Factor Structure

Factorization String 3 × 5 × 43 × 3877

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 4,095,168

Proper Divisor Sum 1,594,503

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #2500651 ← → #2500669

1 3 5 15 43 129 215 645 3,877 11,631 19,385 58,155 166,711 500,133 833,555 2,500,665

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

2,500,665 7,501,996 3,750,998 1,875,499 5,626,498 2,813,249 8,439,748 4,219,874 2,109,937 6,329,812 3,164,906 1,582,453 4,747,360 2,373,680 1,186,840 593,420 296,710 148,355 445,066 222,533 667,600 333,800 166,900 83,450 41,725 125,176 62,588 31,294 15,647 46,942 23,471 70,414 35,207 105,622 52,811 158,434 79,217 237,652 118,826 59,413 178,240 89,120 44,560 22,280 11,140 5,570 2,785 8,356 4,178 2,089 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874

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