674,289

3² × 7² × 11 × 139

Prime Factor Structure

Factorization String 3^2 × 7^2 × 11 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 36

Divisor Sum (σ) 1,244,880

Proper Divisor Sum 570,591

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #674273 ← → #674299

1 3 7 9 11 21 33 49 63 77 99 139 147 231 417 441 539 693 973 1,251 1,529 1,617 2,919 4,587 4,851 6,811 8,757 10,703 13,761 20,433 32,109 61,299 74,921 96,327 224,763 674,289

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

674,289 2,022,868 1,011,434 505,717 1,517,152 758,576 379,288 189,644 94,822 47,411 142,234 71,117 213,352 106,676 53,338 26,669 80,008 40,004 20,002 10,001 30,004 15,002 7,501 22,504 11,252 5,626 2,813 8,440 4,220 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018 4,009 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697

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