3,921,729

3 × 7 × 43² × 101

Prime Factor Structure

Factorization String 3 × 7 × 43^2 × 101

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 6,178,752

Proper Divisor Sum 2,257,023

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #3921721 ← → #3921761

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

3,921,729 11,765,188 5,882,594 2,941,297 8,823,892 4,411,946 2,205,973 6,617,920 3,308,960 1,654,480 827,240 413,620 206,810 103,405 310,216 155,108 77,554 38,777 116,332 58,166 29,083 87,250 43,625 130,876 65,438 32,719 98,158 49,079 147,238 73,619 220,858 110,429 331,288 165,644 82,822 41,411 124,234 62,117 186,352 93,176 46,588 23,294 11,647 34,942 17,471 52,414 26,207 78,622 39,311 117,934 58,967 176,902 88,451 265,354 132,677 398,032 199,016 99,508 49,754 24,877

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