140,392

2³ × 7 × 23 × 109

Starting at 140,392, the Collatz iteration reaches 1 after 144 steps. The first transition is 70196; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 7 × 23 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 316,800

Proper Divisor Sum 176,408

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #140381 ← → #140401

Radix Representation

Decimal	140392
Binary	100010010001101000 (18 bits)
Octal	0o422150
Hexadecimal	0x22468

Divisor Catalog (32)

1 2 4 7 8 14 23 28 46 56 92 109 161 184 218 322 436 644 763 872 1,288 1,526 2,507 3,052 5,014 6,104 10,028 17,549 20,056 35,098 70,196 140,392

Collatz Trajectory (144 steps to reach 1)

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

140,392 70,196 35,098 17,549 52,648 26,324 13,162 6,581 19,744 9,872 4,936 2,468 1,234 617 1,852 926 463 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644 1,322 661 1,984 992 496 248 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155

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