42,739

79 × 541

Prime Factor Structure

Factorization String 79 × 541

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 43,360

Proper Divisor Sum 621

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #42737 ← → #42743

1 79 541 42,739

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

42,739 128,218 64,109 192,328 96,164 48,082 24,041 72,124 36,062 18,031 54,094 27,047 81,142 40,571 121,714 60,857 182,572 91,286 45,643 136,930 68,465 205,396 102,698 51,349 154,048 77,024 38,512 19,256 9,628 4,814 2,407 7,222 3,611 10,834 5,417 16,252 8,126 4,063 12,190 6,095 18,286 9,143 27,430 13,715 41,146 20,573 61,720 30,860 15,430 7,715 23,146 11,573 34,720 17,360 8,680 4,340 2,170 1,085 3,256 1,628

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