871,971

3 × 290657

871,971 factors as 3 × 290657. Its 4 positive divisors give a proper-divisor sum of 290,661, so this integer is deficient. The Collatz stopping time is 157 steps.

Prime Factor Structure

Factorization String 3 × 290657

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,162,632

Proper Divisor Sum 290,661

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #871963 ← → #871973

Radix Representation

Decimal	871971
Binary	11010100111000100011 (20 bits)
Octal	0o3247043
Hexadecimal	0xD4E23

Divisor Catalog (4)

1 3 290,657 871,971

Collatz Trajectory (157 steps to reach 1)

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

871,971 2,615,914 1,307,957 3,923,872 1,961,936 980,968 490,484 245,242 122,621 367,864 183,932 91,966 45,983 137,950 68,975 206,926 103,463 310,390 155,195 465,586 232,793 698,380 349,190 174,595 523,786 261,893 785,680 392,840 196,420 98,210 49,105 147,316 73,658 36,829 110,488 55,244 27,622 13,811 41,434 20,717 62,152 31,076 15,538 7,769 23,308 11,654 5,827 17,482 8,741 26,224 13,112 6,556 3,278 1,639 4,918 2,459 7,378 3,689 11,068 5,534

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