4,665,729

3 × 1555243

Starting at 4,665,729, the Collatz iteration reaches 1 after 162 steps. The first transition is 13997188; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 1555243

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 6,220,976

Proper Divisor Sum 1,555,247

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #4665721 ← → #4665733

Radix Representation

Decimal	4665729
Binary	10001110011000110000001 (23 bits)
Octal	0o21630601
Hexadecimal	0x473181

Divisor Catalog (4)

1 3 1,555,243 4,665,729

Collatz Trajectory (162 steps to reach 1)

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

4,665,729 13,997,188 6,998,594 3,499,297 10,497,892 5,248,946 2,624,473 7,873,420 3,936,710 1,968,355 5,905,066 2,952,533 8,857,600 4,428,800 2,214,400 1,107,200 553,600 276,800 138,400 69,200 34,600 17,300 8,650 4,325 12,976 6,488 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740 1,370 685 2,056 1,028 514 257 772 386 193 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142

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