12,829,405

5 × 2565881

12,829,405 factors as 5 × 2565881. Its 4 positive divisors give a proper-divisor sum of 2,565,887, so this integer is deficient. The Collatz stopping time is 122 steps.

Prime Factor Structure

Factorization String 5 × 2565881

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 15,395,292

Proper Divisor Sum 2,565,887

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #12829391 ← → #12829451

Radix Representation

Decimal	12829405
Binary	110000111100001011011101 (24 bits)
Octal	0o60741335
Hexadecimal	0xC3C2DD

Divisor Catalog (4)

1 5 2,565,881 12,829,405

Collatz Trajectory (122 steps to reach 1)

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

12,829,405 38,488,216 19,244,108 9,622,054 4,811,027 14,433,082 7,216,541 21,649,624 10,824,812 5,412,406 2,706,203 8,118,610 4,059,305 12,177,916 6,088,958 3,044,479 9,133,438 4,566,719 13,700,158 6,850,079 20,550,238 10,275,119 30,825,358 15,412,679 46,238,038 23,119,019 69,357,058 34,678,529 104,035,588 52,017,794 26,008,897 78,026,692 39,013,346 19,506,673 58,520,020 29,260,010 14,630,005 43,890,016 21,945,008 10,972,504 5,486,252 2,743,126 1,371,563 4,114,690 2,057,345 6,172,036 3,086,018 1,543,009 4,629,028 2,314,514 1,157,257 3,471,772 1,735,886 867,943 2,603,830 1,301,915 3,905,746 1,952,873 5,858,620 2,929,310

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