13,640,746

2 × 7 × 19² × 2699

Prime Factor Structure

Factorization String 2 × 7 × 19^2 × 2699

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 24,688,800

Proper Divisor Sum 11,048,054

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #13640743 ← → #13640747

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

13,640,746 6,820,373 20,461,120 10,230,560 5,115,280 2,557,640 1,278,820 639,410 319,705 959,116 479,558 239,779 719,338 359,669 1,079,008 539,504 269,752 134,876 67,438 33,719 101,158 50,579 151,738 75,869 227,608 113,804 56,902 28,451 85,354 42,677 128,032 64,016 32,008 16,004 8,002 4,001 12,004 6,002 3,001 9,004 4,502 2,251 6,754 3,377 10,132 5,066 2,533 7,600 3,800 1,900 950 475 1,426 713 2,140 1,070 535 1,606 803 2,410

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