2⁴ × 31 × 1301

Prime Factor Structure

Factorization String 2^4 × 31 × 1301

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 1,291,584

Proper Divisor Sum 646,288

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #645257 ← → #645313

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

645,296 322,648 161,324 80,662 40,331 120,994 60,497 181,492 90,746 45,373 136,120 68,060 34,030 17,015 51,046 25,523 76,570 38,285 114,856 57,428 28,714 14,357 43,072 21,536 10,768 5,384 2,692 1,346 673 2,020 1,010 505 1,516 758 379 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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