3,977,240

2³ × 5 × 99431

Prime Factor Structure

Factorization String 2^3 × 5 × 99431

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 8,948,880

Proper Divisor Sum 4,971,640

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #3977219 ← → #3977243

1 2 4 5 8 10 20 40 99,431 198,862 397,724 497,155 795,448 994,310 1,988,620 3,977,240

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

3,977,240 1,988,620 994,310 497,155 1,491,466 745,733 2,237,200 1,118,600 559,300 279,650 139,825 419,476 209,738 104,869 314,608 157,304 78,652 39,326 19,663 58,990 29,495 88,486 44,243 132,730 66,365 199,096 99,548 49,774 24,887 74,662 37,331 111,994 55,997 167,992 83,996 41,998 20,999 62,998 31,499 94,498 47,249 141,748 70,874 35,437 106,312 53,156 26,578 13,289 39,868 19,934 9,967 29,902 14,951 44,854 22,427 67,282 33,641 100,924 50,462 25,231

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