λ
Sequence Observatory

317,076

22 × 3 × 26423
Abundant Even Composite

Starting at 317,076, the Collatz iteration reaches 1 after 78 steps. The first transition is 158538; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 26423
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 739,872
Proper Divisor Sum 422,796
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #317071 ← → #317077

Radix Representation

Decimal 317076
Binary 1001101011010010100 (19 bits)
Octal 0o1153224
Hexadecimal 0x4D694

Divisor Catalog (12)

1 2 3 4 6 12 26,423 52,846 79,269 105,692 158,538 317,076

Collatz Trajectory (78 steps to reach 1)

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

317,076 158,538 79,269 237,808 118,904 59,452 29,726 14,863 44,590 22,295 66,886 33,443 100,330 50,165 150,496 75,248 37,624 18,812 9,406 4,703 14,110 7,055 21,166 10,583 31,750 15,875 47,626 23,813 71,440 35,720 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58

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