407,185

5 × 31 × 37 × 71

Prime Factor Structure

Factorization String 5 × 31 × 37 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 525,312

Proper Divisor Sum 118,127

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #407179 ← → #407191

1 5 31 37 71 155 185 355 1,147 2,201 2,627 5,735 11,005 13,135 81,437 407,185

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

407,185 1,221,556 610,778 305,389 916,168 458,084 229,042 114,521 343,564 171,782 85,891 257,674 128,837 386,512 193,256 96,628 48,314 24,157 72,472 36,236 18,118 9,059 27,178 13,589 40,768 20,384 10,192 5,096 2,548 1,274 637 1,912 956 478 239 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433

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