λ
Sequence Observatory

424,554

2 × 3 × 13 × 5443
Abundant Even Composite

Starting at 424,554, the Collatz iteration reaches 1 after 81 steps. The first transition is 212277; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 13 × 5443
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 914,592
Proper Divisor Sum 490,038
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #424549 ← → #424559

Radix Representation

Decimal 424554
Binary 1100111101001101010 (19 bits)
Octal 0o1475152
Hexadecimal 0x67A6A

Divisor Catalog (16)

1 2 3 6 13 26 39 78 5,443 10,886 16,329 32,658 70,759 141,518 212,277 424,554

Collatz Trajectory (81 steps to reach 1)

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

424,554 212,277 636,832 318,416 159,208 79,604 39,802 19,901 59,704 29,852 14,926 7,463 22,390 11,195 33,586 16,793 50,380 25,190 12,595 37,786 18,893 56,680 28,340 14,170 7,085 21,256 10,628 5,314 2,657 7,972 3,986 1,993 5,980 2,990 1,495 4,486 2,243 6,730 3,365 10,096 5,048 2,524 1,262 631 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76

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