10,249,915

5 × 13 × 71 × 2221

Prime Factor Structure

Factorization String 5 × 13 × 71 × 2221

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 13,438,656

Proper Divisor Sum 3,188,741

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #10249879 ← → #10249937

1 5 13 65 71 355 923 2,221 4,615 11,105 28,873 144,365 157,691 788,455 2,049,983 10,249,915

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

10,249,915 30,749,746 15,374,873 46,124,620 23,062,310 11,531,155 34,593,466 17,296,733 51,890,200 25,945,100 12,972,550 6,486,275 19,458,826 9,729,413 29,188,240 14,594,120 7,297,060 3,648,530 1,824,265 5,472,796 2,736,398 1,368,199 4,104,598 2,052,299 6,156,898 3,078,449 9,235,348 4,617,674 2,308,837 6,926,512 3,463,256 1,731,628 865,814 432,907 1,298,722 649,361 1,948,084 974,042 487,021 1,461,064 730,532 365,266 182,633 547,900 273,950 136,975 410,926 205,463 616,390 308,195 924,586 462,293 1,386,880 693,440 346,720 173,360 86,680 43,340 21,670 10,835

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