2 × 5² × 17 × 409

Prime Factor Structure

Factorization String 2 × 5^2 × 17 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 686,340

Proper Divisor Sum 338,690

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #347629 ← → #347651

1 2 5 10 17 25 34 50 85 170 409 425 818 850 2,045 4,090 6,953 10,225 13,906 20,450 34,765 69,530 173,825 347,650

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

347,650 173,825 521,476 260,738 130,369 391,108 195,554 97,777 293,332 146,666 73,333 220,000 110,000 55,000 27,500 13,750 6,875 20,626 10,313 30,940 15,470 7,735 23,206 11,603 34,810 17,405 52,216 26,108 13,054 6,527 19,582 9,791 29,374 14,687 44,062 22,031 66,094 33,047 99,142 49,571 148,714 74,357 223,072 111,536 55,768 27,884 13,942 6,971 20,914 10,457 31,372 15,686 7,843 23,530 11,765 35,296 17,648 8,824 4,412 2,206

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