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989,505

32 × 5 × 11 × 1999
Deficient Odd Composite

Prime Factor Structure

Factorization String 3^2 × 5 × 11 × 1999
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 1,872,000
Proper Divisor Sum 882,495
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #989479 ← → #989507

Radix Representation

Decimal 989505
Binary 11110001100101000001 (20 bits)
Octal 0o3614501
Hexadecimal 0xF1941

Divisor Catalog (24)

1 3 5 9 11 15 33 45 55 99 165 495 1,999 5,997 9,995 17,991 21,989 29,985 65,967 89,955 109,945 197,901 329,835 989,505

Collatz Trajectory (152 steps to reach 1)

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

989,505 2,968,516 1,484,258 742,129 2,226,388 1,113,194 556,597 1,669,792 834,896 417,448 208,724 104,362 52,181 156,544 78,272 39,136 19,568 9,784 4,892 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182

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