4,157,907

3 × 13² × 59 × 139

Prime Factor Structure

Factorization String 3 × 13^2 × 59 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 6,148,800

Proper Divisor Sum 1,990,893

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #4157899 ← → #4157927

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

4,157,907 12,473,722 6,236,861 18,710,584 9,355,292 4,677,646 2,338,823 7,016,470 3,508,235 10,524,706 5,262,353 15,787,060 7,893,530 3,946,765 11,840,296 5,920,148 2,960,074 1,480,037 4,440,112 2,220,056 1,110,028 555,014 277,507 832,522 416,261 1,248,784 624,392 312,196 156,098 78,049 234,148 117,074 58,537 175,612 87,806 43,903 131,710 65,855 197,566 98,783 296,350 148,175 444,526 222,263 666,790 333,395 1,000,186 500,093 1,500,280 750,140 375,070 187,535 562,606 281,303 843,910 421,955 1,265,866 632,933 1,898,800 949,400

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