155,867

79 × 1973

Starting at 155,867, the Collatz iteration reaches 1 after 170 steps. The first transition is 467602; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 79 × 1973

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 157,920

Proper Divisor Sum 2,053

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #155863 ← → #155887

Radix Representation

Decimal	155867
Binary	100110000011011011 (18 bits)
Octal	0o460333
Hexadecimal	0x260DB

Divisor Catalog (4)

1 79 1,973 155,867

Collatz Trajectory (170 steps to reach 1)

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

155,867 467,602 233,801 701,404 350,702 175,351 526,054 263,027 789,082 394,541 1,183,624 591,812 295,906 147,953 443,860 221,930 110,965 332,896 166,448 83,224 41,612 20,806 10,403 31,210 15,605 46,816 23,408 11,704 5,852 2,926 1,463 4,390 2,195 6,586 3,293 9,880 4,940 2,470 1,235 3,706 1,853 5,560 2,780 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

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