λ
Sequence Observatory

572,275

52 × 11 × 2081
Deficient Odd Composite

Starting at 572,275, the Collatz iteration reaches 1 after 146 steps. The first transition is 1716826; the starting value is odd with 12 positive divisors.

Prime Factor Structure

Factorization String 5^2 × 11 × 2081
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 774,504
Proper Divisor Sum 202,229
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #572269 ← → #572281

Radix Representation

Decimal 572275
Binary 10001011101101110011 (20 bits)
Octal 0o2135563
Hexadecimal 0x8BB73

Divisor Catalog (12)

1 5 11 25 55 275 2,081 10,405 22,891 52,025 114,455 572,275

Collatz Trajectory (146 steps to reach 1)

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

572,275 1,716,826 858,413 2,575,240 1,287,620 643,810 321,905 965,716 482,858 241,429 724,288 362,144 181,072 90,536 45,268 22,634 11,317 33,952 16,976 8,488 4,244 2,122 1,061 3,184 1,592 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103

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