168,389

13 × 12953

168,389 factors as 13 × 12953. Its 4 positive divisors give a proper-divisor sum of 12,967, so this integer is deficient. The Collatz stopping time is 59 steps.

Prime Factor Structure

Factorization String 13 × 12953

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 181,356

Proper Divisor Sum 12,967

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #168353 ← → #168391

Radix Representation

Decimal	168389
Binary	101001000111000101 (18 bits)
Octal	0o510705
Hexadecimal	0x291C5

Divisor Catalog (4)

1 13 12,953 168,389

Collatz Trajectory (59 steps to reach 1)

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

168,389 505,168 252,584 126,292 63,146 31,573 94,720 47,360 23,680 11,840 5,920 2,960 1,480 740 370 185 556 278 139 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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