2,645,455

5 × 17 × 31123

Starting at 2,645,455, the Collatz iteration reaches 1 after 174 steps. The first transition is 7936366; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 17 × 31123

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,361,392

Proper Divisor Sum 715,937

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #2645453 ← → #2645477

Radix Representation

Decimal	2645455
Binary	1010000101110111001111 (22 bits)
Octal	0o12056717
Hexadecimal	0x285DCF

Divisor Catalog (8)

1 5 17 85 31,123 155,615 529,091 2,645,455

Collatz Trajectory (174 steps to reach 1)

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

2,645,455 7,936,366 3,968,183 11,904,550 5,952,275 17,856,826 8,928,413 26,785,240 13,392,620 6,696,310 3,348,155 10,044,466 5,022,233 15,066,700 7,533,350 3,766,675 11,300,026 5,650,013 16,950,040 8,475,020 4,237,510 2,118,755 6,356,266 3,178,133 9,534,400 4,767,200 2,383,600 1,191,800 595,900 297,950 148,975 446,926 223,463 670,390 335,195 1,005,586 502,793 1,508,380 754,190 377,095 1,131,286 565,643 1,696,930 848,465 2,545,396 1,272,698 636,349 1,909,048 954,524 477,262 238,631 715,894 357,947 1,073,842 536,921 1,610,764 805,382 402,691 1,208,074 604,037

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