5 × 13 × 61 × 163

Prime Factor Structure

Factorization String 5 × 13 × 61 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 854,112

Proper Divisor Sum 207,817

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #646291 ← → #646301

1 5 13 61 65 163 305 793 815 2,119 3,965 9,943 10,595 49,715 129,259 646,295

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

646,295 1,938,886 969,443 2,908,330 1,454,165 4,362,496 2,181,248 1,090,624 545,312 272,656 136,328 68,164 34,082 17,041 51,124 25,562 12,781 38,344 19,172 9,586 4,793 14,380 7,190 3,595 10,786 5,393 16,180 8,090 4,045 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688

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