2,513,018

2 × 883 × 1423

Starting at 2,513,018, the Collatz iteration reaches 1 after 143 steps. The first transition is 1256509; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 883 × 1423

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,776,448

Proper Divisor Sum 1,263,430

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #2513011 ← → #2513029

Radix Representation

Decimal	2513018
Binary	1001100101100001111010 (22 bits)
Octal	0o11454172
Hexadecimal	0x26587A

Divisor Catalog (8)

1 2 883 1,423 1,766 2,846 1,256,509 2,513,018

Collatz Trajectory (143 steps to reach 1)

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

2,513,018 1,256,509 3,769,528 1,884,764 942,382 471,191 1,413,574 706,787 2,120,362 1,060,181 3,180,544 1,590,272 795,136 397,568 198,784 99,392 49,696 24,848 12,424 6,212 3,106 1,553 4,660 2,330 1,165 3,496 1,748 874 437 1,312 656 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466

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