7,121,985

3 × 5 × 13 × 36523

Prime Factor Structure

Factorization String 3 × 5 × 13 × 36523

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 12,272,064

Proper Divisor Sum 5,150,079

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #7121923 ← → #7121993

1 3 5 13 15 39 65 195 36,523 109,569 182,615 474,799 547,845 1,424,397 2,373,995 7,121,985

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

7,121,985 21,365,956 10,682,978 5,341,489 16,024,468 8,012,234 4,006,117 12,018,352 6,009,176 3,004,588 1,502,294 751,147 2,253,442 1,126,721 3,380,164 1,690,082 845,041 2,535,124 1,267,562 633,781 1,901,344 950,672 475,336 237,668 118,834 59,417 178,252 89,126 44,563 133,690 66,845 200,536 100,268 50,134 25,067 75,202 37,601 112,804 56,402 28,201 84,604 42,302 21,151 63,454 31,727 95,182 47,591 142,774 71,387 214,162 107,081 321,244 160,622 80,311 240,934 120,467 361,402 180,701 542,104 271,052

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