λ
Sequence Observatory

488,875

53 × 3911
Deficient Odd Composite

Starting at 488,875, the Collatz iteration reaches 1 after 151 steps. The first transition is 1466626; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5^3 × 3911
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 610,272
Proper Divisor Sum 121,397
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #488861 ← → #488879

Radix Representation

Decimal 488875
Binary 1110111010110101011 (19 bits)
Octal 0o1672653
Hexadecimal 0x775AB

Divisor Catalog (8)

1 5 25 125 3,911 19,555 97,775 488,875

Collatz Trajectory (151 steps to reach 1)

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

488,875 1,466,626 733,313 2,199,940 1,099,970 549,985 1,649,956 824,978 412,489 1,237,468 618,734 309,367 928,102 464,051 1,392,154 696,077 2,088,232 1,044,116 522,058 261,029 783,088 391,544 195,772 97,886 48,943 146,830 73,415 220,246 110,123 330,370 165,185 495,556 247,778 123,889 371,668 185,834 92,917 278,752 139,376 69,688 34,844 17,422 8,711 26,134 13,067 39,202 19,601 58,804 29,402 14,701 44,104 22,052 11,026 5,513 16,540 8,270 4,135 12,406 6,203 18,610

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