13,680,741

3 × 19 × 389 × 617

Prime Factor Structure

Factorization String 3 × 19 × 389 × 617

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 19,281,600

Proper Divisor Sum 5,600,859

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #13680739 ← → #13680749

1 3 19 57 389 617 1,167 1,851 7,391 11,723 22,173 35,169 240,013 720,039 4,560,247 13,680,741

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

13,680,741 41,042,224 20,521,112 10,260,556 5,130,278 2,565,139 7,695,418 3,847,709 11,543,128 5,771,564 2,885,782 1,442,891 4,328,674 2,164,337 6,493,012 3,246,506 1,623,253 4,869,760 2,434,880 1,217,440 608,720 304,360 152,180 76,090 38,045 114,136 57,068 28,534 14,267 42,802 21,401 64,204 32,102 16,051 48,154 24,077 72,232 36,116 18,058 9,029 27,088 13,544 6,772 3,386 1,693 5,080 2,540 1,270 635 1,906 953 2,860 1,430 715 2,146 1,073 3,220 1,610 805 2,416

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