677,909

17 × 39877

677,909 factors as 17 × 39877. Its 4 positive divisors give a proper-divisor sum of 39,895, so this integer is deficient. The Collatz stopping time is 110 steps.

Prime Factor Structure

Factorization String 17 × 39877

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 717,804

Proper Divisor Sum 39,895

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #677891 ← → #677927

Radix Representation

Decimal	677909
Binary	10100101100000010101 (20 bits)
Octal	0o2454025
Hexadecimal	0xA5815

Divisor Catalog (4)

1 17 39,877 677,909

Collatz Trajectory (110 steps to reach 1)

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

677,909 2,033,728 1,016,864 508,432 254,216 127,108 63,554 31,777 95,332 47,666 23,833 71,500 35,750 17,875 53,626 26,813 80,440 40,220 20,110 10,055 30,166 15,083 45,250 22,625 67,876 33,938 16,969 50,908 25,454 12,727 38,182 19,091 57,274 28,637 85,912 42,956 21,478 10,739 32,218 16,109 48,328 24,164 12,082 6,041 18,124 9,062 4,531 13,594 6,797 20,392 10,196 5,098 2,549 7,648 3,824 1,912 956 478 239 718

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