137 × 521

Prime Factor Structure

Factorization String 137 × 521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 72,036

Proper Divisor Sum 659

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #71363 ← → #71387

1 137 521 71,377

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

71,377 214,132 107,066 53,533 160,600 80,300 40,150 20,075 60,226 30,113 90,340 45,170 22,585 67,756 33,878 16,939 50,818 25,409 76,228 38,114 19,057 57,172 28,586 14,293 42,880 21,440 10,720 5,360 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734

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