3,988,656

2⁴ × 3³ × 7 × 1319

Prime Factor Structure

Factorization String 2^4 × 3^3 × 7 × 1319

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 80

Divisor Sum (σ) 13,094,400

Proper Divisor Sum 9,105,744

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #3988643 ← → #3988661

1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 1,008 1,319 1,512 2,638 3,024 3,957 5,276 7,914 9,233 10,552 11,871 15,828 18,466 21,104 23,742 27,699 31,656 35,613 36,932 47,484 55,398 63,312 71,226

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

3,988,656 1,994,328 997,164 498,582 249,291 747,874 373,937 1,121,812 560,906 280,453 841,360 420,680 210,340 105,170 52,585 157,756 78,878 39,439 118,318 59,159 177,478 88,739 266,218 133,109 399,328 199,664 99,832 49,916 24,958 12,479 37,438 18,719 56,158 28,079 84,238 42,119 126,358 63,179 189,538 94,769 284,308 142,154 71,077 213,232 106,616 53,308 26,654 13,327 39,982 19,991 59,974 29,987 89,962 44,981 134,944 67,472 33,736 16,868 8,434 4,217

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