2,912,798

2 × 7 × 208057

Starting at 2,912,798, the Collatz iteration reaches 1 after 89 steps. The first transition is 1456399; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 208057

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,993,392

Proper Divisor Sum 2,080,594

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #2912783 ← → #2912803

Radix Representation

Decimal	2912798
Binary	1011000111001000011110 (22 bits)
Octal	0o13071036
Hexadecimal	0x2C721E

Divisor Catalog (8)

1 2 7 14 208,057 416,114 1,456,399 2,912,798

Collatz Trajectory (89 steps to reach 1)

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

2,912,798 1,456,399 4,369,198 2,184,599 6,553,798 3,276,899 9,830,698 4,915,349 14,746,048 7,373,024 3,686,512 1,843,256 921,628 460,814 230,407 691,222 345,611 1,036,834 518,417 1,555,252 777,626 388,813 1,166,440 583,220 291,610 145,805 437,416 218,708 109,354 54,677 164,032 82,016 41,008 20,504 10,252 5,126 2,563 7,690 3,845 11,536 5,768 2,884 1,442 721 2,164 1,082 541 1,624 812 406 203 610 305 916 458 229 688 344 172 86

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