2² × 5 × 61 × 139

Prime Factor Structure

Factorization String 2^2 × 5 × 61 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 364,560

Proper Divisor Sum 194,980

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #169567 ← → #169583

1 2 4 5 10 20 61 122 139 244 278 305 556 610 695 1,220 1,390 2,780 8,479 16,958 33,916 42,395 84,790 169,580

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

169,580 84,790 42,395 127,186 63,593 190,780 95,390 47,695 143,086 71,543 214,630 107,315 321,946 160,973 482,920 241,460 120,730 60,365 181,096 90,548 45,274 22,637 67,912 33,956 16,978 8,489 25,468 12,734 6,367 19,102 9,551 28,654 14,327 42,982 21,491 64,474 32,237 96,712 48,356 24,178 12,089 36,268 18,134 9,067 27,202 13,601 40,804 20,402 10,201 30,604 15,302 7,651 22,954 11,477 34,432 17,216 8,608 4,304 2,152 1,076

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