5² × 31 × 643

Prime Factor Structure

Factorization String 5^2 × 31 × 643

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 638,848

Proper Divisor Sum 140,523

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #498301 ← → #498331

1 5 25 31 155 643 775 3,215 16,075 19,933 99,665 498,325

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

498,325 1,494,976 747,488 373,744 186,872 93,436 46,718 23,359 70,078 35,039 105,118 52,559 157,678 78,839 236,518 118,259 354,778 177,389 532,168 266,084 133,042 66,521 199,564 99,782 49,891 149,674 74,837 224,512 112,256 56,128 28,064 14,032 7,016 3,508 1,754 877 2,632 1,316 658 329 988 494 247 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59 178 89

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