13,645,872

2⁴ × 3² × 193 × 491

Prime Factor Structure

Factorization String 2^4 × 3^2 × 193 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 60

Divisor Sum (σ) 38,465,544

Proper Divisor Sum 24,819,672

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #13645847 ← → #13645897

1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 193 386 491 579 772 982 1,158 1,473 1,544 1,737 1,964 2,316 2,946 3,088 3,474 3,928 4,419 4,632 5,892 6,948 7,856 8,838 9,264 11,784 13,896 17,676 23,568 27,792 35,352 70,704 94,763 189,526 284,289 379,052 568,578 758,104 852,867 1,137,156 1,516,208 1,705,734 2,274,312 3,411,468 4,548,624 6,822,936 13,645,872

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

13,645,872 6,822,936 3,411,468 1,705,734 852,867 2,558,602 1,279,301 3,837,904 1,918,952 959,476 479,738 239,869 719,608 359,804 179,902 89,951 269,854 134,927 404,782 202,391 607,174 303,587 910,762 455,381 1,366,144 683,072 341,536 170,768 85,384 42,692 21,346 10,673 32,020 16,010 8,005 24,016 12,008 6,004 3,002 1,501 4,504 2,252 1,126 563 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404

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