λ
Sequence Observatory

6,251,045

5 × 239 × 5231
Deficient Odd Composite

Starting at 6,251,045, the Collatz iteration reaches 1 after 152 steps. The first transition is 18753136; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 239 × 5231
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 7,534,080
Proper Divisor Sum 1,283,035
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #6251023 ← → #6251051

Radix Representation

Decimal 6251045
Binary 10111110110001000100101 (23 bits)
Octal 0o27661045
Hexadecimal 0x5F6225

Divisor Catalog (8)

1 5 239 1,195 5,231 26,155 1,250,209 6,251,045

Collatz Trajectory (152 steps to reach 1)

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

6,251,045 18,753,136 9,376,568 4,688,284 2,344,142 1,172,071 3,516,214 1,758,107 5,274,322 2,637,161 7,911,484 3,955,742 1,977,871 5,933,614 2,966,807 8,900,422 4,450,211 13,350,634 6,675,317 20,025,952 10,012,976 5,006,488 2,503,244 1,251,622 625,811 1,877,434 938,717 2,816,152 1,408,076 704,038 352,019 1,056,058 528,029 1,584,088 792,044 396,022 198,011 594,034 297,017 891,052 445,526 222,763 668,290 334,145 1,002,436 501,218 250,609 751,828 375,914 187,957 563,872 281,936 140,968 70,484 35,242 17,621 52,864 26,432 13,216 6,608

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