2,665,877

83 × 32119

Starting at 2,665,877, the Collatz iteration reaches 1 after 156 steps. The first transition is 7997632; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 83 × 32119

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,698,080

Proper Divisor Sum 32,203

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #2665867 ← → #2665879

Radix Representation

Decimal	2665877
Binary	1010001010110110010101 (22 bits)
Octal	0o12126625
Hexadecimal	0x28AD95

Divisor Catalog (4)

1 83 32,119 2,665,877

Collatz Trajectory (156 steps to reach 1)

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

2,665,877 7,997,632 3,998,816 1,999,408 999,704 499,852 249,926 124,963 374,890 187,445 562,336 281,168 140,584 70,292 35,146 17,573 52,720 26,360 13,180 6,590 3,295 9,886 4,943 14,830 7,415 22,246 11,123 33,370 16,685 50,056 25,028 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484

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