λ
Sequence Observatory

249,230

2 × 5 × 24923
Deficient Even Composite

Starting at 249,230, the Collatz iteration reaches 1 after 75 steps. The first transition is 124615; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 24923
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 448,632
Proper Divisor Sum 199,402
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #249229 ← → #249233

Radix Representation

Decimal 249230
Binary 111100110110001110 (18 bits)
Octal 0o746616
Hexadecimal 0x3CD8E

Divisor Catalog (8)

1 2 5 10 24,923 49,846 124,615 249,230

Collatz Trajectory (75 steps to reach 1)

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

249,230 124,615 373,846 186,923 560,770 280,385 841,156 420,578 210,289 630,868 315,434 157,717 473,152 236,576 118,288 59,144 29,572 14,786 7,393 22,180 11,090 5,545 16,636 8,318 4,159 12,478 6,239 18,718 9,359 28,078 14,039 42,118 21,059 63,178 31,589 94,768 47,384 23,692 11,846 5,923 17,770 8,885 26,656 13,328 6,664 3,332 1,666 833 2,500 1,250 625 1,876 938 469 1,408 704 352 176 88 44

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