3,964,508

2² × 991127

Starting at 3,964,508, the Collatz iteration reaches 1 after 154 steps. The first transition is 1982254; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 991127

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 6,937,896

Proper Divisor Sum 2,973,388

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #3964507 ← → #3964511

Radix Representation

Decimal	3964508
Binary	1111000111111001011100 (22 bits)
Octal	0o17077134
Hexadecimal	0x3C7E5C

Divisor Catalog (6)

1 2 4 991,127 1,982,254 3,964,508

Collatz Trajectory (154 steps to reach 1)

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

3,964,508 1,982,254 991,127 2,973,382 1,486,691 4,460,074 2,230,037 6,690,112 3,345,056 1,672,528 836,264 418,132 209,066 104,533 313,600 156,800 78,400 39,200 19,600 9,800 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121

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