13,639,446

2 × 3² × 137 × 5531

Prime Factor Structure

Factorization String 2 × 3^2 × 137 × 5531

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 29,773,224

Proper Divisor Sum 16,133,778

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #13639433 ← → #13639453

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

13,639,446 6,819,723 20,459,170 10,229,585 30,688,756 15,344,378 7,672,189 23,016,568 11,508,284 5,754,142 2,877,071 8,631,214 4,315,607 12,946,822 6,473,411 19,420,234 9,710,117 29,130,352 14,565,176 7,282,588 3,641,294 1,820,647 5,461,942 2,730,971 8,192,914 4,096,457 12,289,372 6,144,686 3,072,343 9,217,030 4,608,515 13,825,546 6,912,773 20,738,320 10,369,160 5,184,580 2,592,290 1,296,145 3,888,436 1,944,218 972,109 2,916,328 1,458,164 729,082 364,541 1,093,624 546,812 273,406 136,703 410,110 205,055 615,166 307,583 922,750 461,375 1,384,126 692,063 2,076,190 1,038,095 3,114,286

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