λ
Sequence Observatory

9,942,107

7 × 1420301
Deficient Odd Composite

Starting at 9,942,107, the Collatz iteration reaches 1 after 238 steps. The first transition is 29826322; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 1420301
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 11,362,416
Proper Divisor Sum 1,420,309
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #9942077 ← → #9942133

Radix Representation

Decimal 9942107
Binary 100101111011010001011011 (24 bits)
Octal 0o45732133
Hexadecimal 0x97B45B

Divisor Catalog (4)

1 7 1,420,301 9,942,107

Collatz Trajectory (238 steps to reach 1)

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

9,942,107 29,826,322 14,913,161 44,739,484 22,369,742 11,184,871 33,554,614 16,777,307 50,331,922 25,165,961 75,497,884 37,748,942 18,874,471 56,623,414 28,311,707 84,935,122 42,467,561 127,402,684 63,701,342 31,850,671 95,552,014 47,776,007 143,328,022 71,664,011 214,992,034 107,496,017 322,488,052 161,244,026 80,622,013 241,866,040 120,933,020 60,466,510 30,233,255 90,699,766 45,349,883 136,049,650 68,024,825 204,074,476 102,037,238 51,018,619 153,055,858 76,527,929 229,583,788 114,791,894 57,395,947 172,187,842 86,093,921 258,281,764 129,140,882 64,570,441 193,711,324 96,855,662 48,427,831 145,283,494 72,641,747 217,925,242 108,962,621 326,887,864 163,443,932 81,721,966

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