2,662,746

2 × 3 × 443791

Starting at 2,662,746, the Collatz iteration reaches 1 after 156 steps. The first transition is 1331373; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 443791

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,325,504

Proper Divisor Sum 2,662,758

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2662721 ← → #2662753

Radix Representation

Decimal	2662746
Binary	1010001010000101011010 (22 bits)
Octal	0o12120532
Hexadecimal	0x28A15A

Divisor Catalog (8)

1 2 3 6 443,791 887,582 1,331,373 2,662,746

Collatz Trajectory (156 steps to reach 1)

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

2,662,746 1,331,373 3,994,120 1,997,060 998,530 499,265 1,497,796 748,898 374,449 1,123,348 561,674 280,837 842,512 421,256 210,628 105,314 52,657 157,972 78,986 39,493 118,480 59,240 29,620 14,810 7,405 22,216 11,108 5,554 2,777 8,332 4,166 2,083 6,250 3,125 9,376 4,688 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484

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