5² × 103 × 251

Prime Factor Structure

Factorization String 5^2 × 103 × 251

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 812,448

Proper Divisor Sum 166,123

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #646309 ← → #646339

1 5 25 103 251 515 1,255 2,575 6,275 25,853 129,265 646,325

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

646,325 1,938,976 969,488 484,744 242,372 121,186 60,593 181,780 90,890 45,445 136,336 68,168 34,084 17,042 8,521 25,564 12,782 6,391 19,174 9,587 28,762 14,381 43,144 21,572 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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