λ
Sequence Observatory

8,652,163

13 × 19 × 23 × 1523
Deficient Odd Composite

Starting at 8,652,163, the Collatz iteration reaches 1 after 181 steps. The first transition is 25956490; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 13 × 19 × 23 × 1523
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 10,241,280
Proper Divisor Sum 1,589,117
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #8652151 ← → #8652187

Radix Representation

Decimal 8652163
Binary 100001000000010110000011 (24 bits)
Octal 0o41002603
Hexadecimal 0x840583

Divisor Catalog (16)

1 13 19 23 247 299 437 1,523 5,681 19,799 28,937 35,029 376,181 455,377 665,551 8,652,163

Collatz Trajectory (181 steps to reach 1)

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

8,652,163 25,956,490 12,978,245 38,934,736 19,467,368 9,733,684 4,866,842 2,433,421 7,300,264 3,650,132 1,825,066 912,533 2,737,600 1,368,800 684,400 342,200 171,100 85,550 42,775 128,326 64,163 192,490 96,245 288,736 144,368 72,184 36,092 18,046 9,023 27,070 13,535 40,606 20,303 60,910 30,455 91,366 45,683 137,050 68,525 205,576 102,788 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788 24,394 12,197 36,592 18,296 9,148

More profiles

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