2,879,645

5 × 269 × 2141

Starting at 2,879,645, the Collatz iteration reaches 1 after 200 steps. The first transition is 8638936; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 269 × 2141

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,470,040

Proper Divisor Sum 590,395

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #2879641 ← → #2879651

Radix Representation

Decimal	2879645
Binary	1010111111000010011101 (22 bits)
Octal	0o12770235
Hexadecimal	0x2BF09D

Divisor Catalog (8)

1 5 269 1,345 2,141 10,705 575,929 2,879,645

Collatz Trajectory (200 steps to reach 1)

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

2,879,645 8,638,936 4,319,468 2,159,734 1,079,867 3,239,602 1,619,801 4,859,404 2,429,702 1,214,851 3,644,554 1,822,277 5,466,832 2,733,416 1,366,708 683,354 341,677 1,025,032 512,516 256,258 128,129 384,388 192,194 96,097 288,292 144,146 72,073 216,220 108,110 54,055 162,166 81,083 243,250 121,625 364,876 182,438 91,219 273,658 136,829 410,488 205,244 102,622 51,311 153,934 76,967 230,902 115,451 346,354 173,177 519,532 259,766 129,883 389,650 194,825 584,476 292,238 146,119 438,358 219,179 657,538

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