16,611,642

2 × 3⁴ × 41² × 61

Prime Factor Structure

Factorization String 2 × 3^4 × 41^2 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 60

Divisor Sum (σ) 38,777,838

Proper Divisor Sum 22,166,196

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #16611641 ← → #16611689

1 2 3 6 9 18 27 41 54 61 81 82 122 123 162 183 246 366 369 549 738 1,098 1,107 1,647 1,681 2,214 2,501 3,294 3,321 3,362 4,941 5,002 5,043 6,642 7,503 9,882 10,086 15,006 15,129 22,509 30,258 45,018 45,387 67,527 90,774 102,541 135,054 136,161 202,581 205,082 272,322 307,623 405,162 615,246 922,869 1,845,738 2,768,607 5,537,214 8,305,821 16,611,642

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

16,611,642 8,305,821 24,917,464 12,458,732 6,229,366 3,114,683 9,344,050 4,672,025 14,016,076 7,008,038 3,504,019 10,512,058 5,256,029 15,768,088 7,884,044 3,942,022 1,971,011 5,913,034 2,956,517 8,869,552 4,434,776 2,217,388 1,108,694 554,347 1,663,042 831,521 2,494,564 1,247,282 623,641 1,870,924 935,462 467,731 1,403,194 701,597 2,104,792 1,052,396 526,198 263,099 789,298 394,649 1,183,948 591,974 295,987 887,962 443,981 1,331,944 665,972 332,986 166,493 499,480 249,740 124,870 62,435 187,306 93,653 280,960 140,480 70,240 35,120 17,560

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