1,997,130

2 × 3 × 5 × 66571

Prime Factor Structure

Factorization String 2 × 3 × 5 × 66571

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 4,793,184

Proper Divisor Sum 2,796,054

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1997129 ← → #1997137

1 2 3 5 6 10 15 30 66,571 133,142 199,713 332,855 399,426 665,710 998,565 1,997,130

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

1,997,130 998,565 2,995,696 1,497,848 748,924 374,462 187,231 561,694 280,847 842,542 421,271 1,263,814 631,907 1,895,722 947,861 2,843,584 1,421,792 710,896 355,448 177,724 88,862 44,431 133,294 66,647 199,942 99,971 299,914 149,957 449,872 224,936 112,468 56,234 28,117 84,352 42,176 21,088 10,544 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59

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