129,782

2 × 64891

129,782 factors as 2 × 64891. Its 4 positive divisors give a proper-divisor sum of 64,894, so this integer is deficient. The Collatz stopping time is 162 steps.

Prime Factor Structure

Factorization String 2 × 64891

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 194,676

Proper Divisor Sum 64,894

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #129769 ← → #129793

Radix Representation

Decimal	129782
Binary	11111101011110110 (17 bits)
Octal	0o375366
Hexadecimal	0x1FAF6

Divisor Catalog (4)

1 2 64,891 129,782

Collatz Trajectory (162 steps to reach 1)

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

129,782 64,891 194,674 97,337 292,012 146,006 73,003 219,010 109,505 328,516 164,258 82,129 246,388 123,194 61,597 184,792 92,396 46,198 23,099 69,298 34,649 103,948 51,974 25,987 77,962 38,981 116,944 58,472 29,236 14,618 7,309 21,928 10,964 5,482 2,741 8,224 4,112 2,056 1,028 514 257 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142

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