12,736,291

2399 × 5309

12,736,291 factors as 2399 × 5309. Its 4 positive divisors give a proper-divisor sum of 7,709, so this integer is deficient. The Collatz stopping time is 122 steps.

Prime Factor Structure

Factorization String 2399 × 5309

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 12,744,000

Proper Divisor Sum 7,709

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #12736279 ← → #12736309

Radix Representation

Decimal	12736291
Binary	110000100101011100100011 (24 bits)
Octal	0o60453443
Hexadecimal	0xC25723

Divisor Catalog (4)

1 2,399 5,309 12,736,291

Collatz Trajectory (122 steps to reach 1)

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

12,736,291 38,208,874 19,104,437 57,313,312 28,656,656 14,328,328 7,164,164 3,582,082 1,791,041 5,373,124 2,686,562 1,343,281 4,029,844 2,014,922 1,007,461 3,022,384 1,511,192 755,596 377,798 188,899 566,698 283,349 850,048 425,024 212,512 106,256 53,128 26,564 13,282 6,641 19,924 9,962 4,981 14,944 7,472 3,736 1,868 934 467 1,402 701 2,104 1,052 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377

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