690,375

3 × 5³ × 7 × 263

Prime Factor Structure

Factorization String 3 × 5^3 × 7 × 263

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 32

Divisor Sum (σ) 1,317,888

Proper Divisor Sum 627,513

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #690367 ← → #690377

1 3 5 7 15 21 25 35 75 105 125 175 263 375 525 789 875 1,315 1,841 2,625 3,945 5,523 6,575 9,205 19,725 27,615 32,875 46,025 98,625 138,075 230,125 690,375

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

690,375 2,071,126 1,035,563 3,106,690 1,553,345 4,660,036 2,330,018 1,165,009 3,495,028 1,747,514 873,757 2,621,272 1,310,636 655,318 327,659 982,978 491,489 1,474,468 737,234 368,617 1,105,852 552,926 276,463 829,390 414,695 1,244,086 622,043 1,866,130 933,065 2,799,196 1,399,598 699,799 2,099,398 1,049,699 3,149,098 1,574,549 4,723,648 2,361,824 1,180,912 590,456 295,228 147,614 73,807 221,422 110,711 332,134 166,067 498,202 249,101 747,304 373,652 186,826 93,413 280,240 140,120 70,060 35,030 17,515 52,546 26,273

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