λ
Sequence Observatory

552,245

5 × 17 × 73 × 89
Deficient Odd Composite

Starting at 552,245, the Collatz iteration reaches 1 after 177 steps. The first transition is 1656736; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 5 × 17 × 73 × 89
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 719,280
Proper Divisor Sum 167,035
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #552241 ← → #552259

Radix Representation

Decimal 552245
Binary 10000110110100110101 (20 bits)
Octal 0o2066465
Hexadecimal 0x86D35

Divisor Catalog (16)

1 5 17 73 85 89 365 445 1,241 1,513 6,205 6,497 7,565 32,485 110,449 552,245

Collatz Trajectory (177 steps to reach 1)

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

552,245 1,656,736 828,368 414,184 207,092 103,546 51,773 155,320 77,660 38,830 19,415 58,246 29,123 87,370 43,685 131,056 65,528 32,764 16,382 8,191 24,574 12,287 36,862 18,431 55,294 27,647 82,942 41,471 124,414 62,207 186,622 93,311 279,934 139,967 419,902 209,951 629,854 314,927 944,782 472,391 1,417,174 708,587 2,125,762 1,062,881 3,188,644 1,594,322 797,161 2,391,484 1,195,742 597,871 1,793,614 896,807 2,690,422 1,345,211 4,035,634 2,017,817 6,053,452 3,026,726 1,513,363 4,540,090

More profiles

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