400,290

2 × 3 × 5 × 11 × 1213

Prime Factor Structure

Factorization String 2 × 3 × 5 × 11 × 1213

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 32

Divisor Sum (σ) 1,048,896

Proper Divisor Sum 648,606

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #400277 ← → #400291

1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 1,213 2,426 3,639 6,065 7,278 12,130 13,343 18,195 26,686 36,390 40,029 66,715 80,058 133,430 200,145 400,290

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

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