40,815

3² × 5 × 907

Prime Factor Structure

Factorization String 3^2 × 5 × 907

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 70,824

Proper Divisor Sum 30,009

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #40813 ← → #40819

1 3 5 9 15 45 907 2,721 4,535 8,163 13,605 40,815

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

40,815 122,446 61,223 183,670 91,835 275,506 137,753 413,260 206,630 103,315 309,946 154,973 464,920 232,460 116,230 58,115 174,346 87,173 261,520 130,760 65,380 32,690 16,345 49,036 24,518 12,259 36,778 18,389 55,168 27,584 13,792 6,896 3,448 1,724 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44

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