λ
Sequence Observatory

4,739,166

2 × 32 × 263287
Abundant Even Composite

Starting at 4,739,166, the Collatz iteration reaches 1 after 162 steps. The first transition is 2369583; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 263287
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 10,268,232
Proper Divisor Sum 5,529,066
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #4739153 ← → #4739171

Radix Representation

Decimal 4739166
Binary 10010000101000001011110 (23 bits)
Octal 0o22050136
Hexadecimal 0x48505E

Divisor Catalog (12)

1 2 3 6 9 18 263,287 526,574 789,861 1,579,722 2,369,583 4,739,166

Collatz Trajectory (162 steps to reach 1)

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

4,739,166 2,369,583 7,108,750 3,554,375 10,663,126 5,331,563 15,994,690 7,997,345 23,992,036 11,996,018 5,998,009 17,994,028 8,997,014 4,498,507 13,495,522 6,747,761 20,243,284 10,121,642 5,060,821 15,182,464 7,591,232 3,795,616 1,897,808 948,904 474,452 237,226 118,613 355,840 177,920 88,960 44,480 22,240 11,120 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644 1,322 661 1,984 992 496 248 124 62 31 94 47 142

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