4,182,855

3 × 5 × 431 × 647

4,182,855 has digital root 6. The neighboring primes are 4182853 and 4182863; its proper-divisor sum differs from the starting integer by -1,647,246.

Prime Factor Structure

Factorization String 3 × 5 × 431 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 6,718,464

Proper Divisor Sum 2,535,609

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #4182853 ← → #4182863

1 3 5 15 431 647 1,293 1,941 2,155 3,235 6,465 9,705 278,857 836,571 1,394,285 4,182,855

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

4,182,855 12,548,566 6,274,283 18,822,850 9,411,425 28,234,276 14,117,138 7,058,569 21,175,708 10,587,854 5,293,927 15,881,782 7,940,891 23,822,674 11,911,337 35,734,012 17,867,006 8,933,503 26,800,510 13,400,255 40,200,766 20,100,383 60,301,150 30,150,575 90,451,726 45,225,863 135,677,590 67,838,795 203,516,386 101,758,193 305,274,580 152,637,290 76,318,645 228,955,936 114,477,968 57,238,984 28,619,492 14,309,746 7,154,873 21,464,620 10,732,310 5,366,155 16,098,466 8,049,233 24,147,700 12,073,850 6,036,925 18,110,776 9,055,388 4,527,694 2,263,847 6,791,542 3,395,771 10,187,314 5,093,657 15,280,972 7,640,486 3,820,243 11,460,730 5,730,365