λ
Sequence Observatory

4,382,308

22 × 7 × 156511
Abundant Even Composite

Starting at 4,382,308, the Collatz iteration reaches 1 after 118 steps. The first transition is 2191154; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 7 × 156511
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 8,764,672
Proper Divisor Sum 4,382,364
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #4382303 ← → #4382309

Radix Representation

Decimal 4382308
Binary 10000101101111001100100 (23 bits)
Octal 0o20557144
Hexadecimal 0x42DE64

Divisor Catalog (12)

1 2 4 7 14 28 156,511 313,022 626,044 1,095,577 2,191,154 4,382,308

Collatz Trajectory (118 steps to reach 1)

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

4,382,308 2,191,154 1,095,577 3,286,732 1,643,366 821,683 2,465,050 1,232,525 3,697,576 1,848,788 924,394 462,197 1,386,592 693,296 346,648 173,324 86,662 43,331 129,994 64,997 194,992 97,496 48,748 24,374 12,187 36,562 18,281 54,844 27,422 13,711 41,134 20,567 61,702 30,851 92,554 46,277 138,832 69,416 34,708 17,354 8,677 26,032 13,016 6,508 3,254 1,627 4,882 2,441 7,324 3,662 1,831 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637

More profiles

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