13 × 31357

Prime Factor Structure

Factorization String 13 × 31357

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 439,012

Proper Divisor Sum 31,371

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #407639 ← → #407651

1 13 31,357 407,641

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

407,641 1,222,924 611,462 305,731 917,194 458,597 1,375,792 687,896 343,948 171,974 85,987 257,962 128,981 386,944 193,472 96,736 48,368 24,184 12,092 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591

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