389,688

2³ × 3 × 13 × 1249

Prime Factor Structure

Factorization String 2^3 × 3 × 13 × 1249

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 1,050,000

Proper Divisor Sum 660,312

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #389687 ← → #389699

1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 1,249 2,498 3,747 4,996 7,494 9,992 14,988 16,237 29,976 32,474 48,711 64,948 97,422 129,896 194,844 389,688

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

389,688 194,844 97,422 48,711 146,134 73,067 219,202 109,601 328,804 164,402 82,201 246,604 123,302 61,651 184,954 92,477 277,432 138,716 69,358 34,679 104,038 52,019 156,058 78,029 234,088 117,044 58,522 29,261 87,784 43,892 21,946 10,973 32,920 16,460 8,230 4,115 12,346 6,173 18,520 9,260 4,630 2,315 6,946 3,473 10,420 5,210 2,605 7,816 3,908 1,954 977 2,932 1,466 733 2,200 1,100 550 275 826 413

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