λ
Sequence Observatory

124,358

2 × 13 × 4783
Deficient Even Composite

Starting at 124,358, the Collatz iteration reaches 1 after 43 steps. The first transition is 62179; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 13 × 4783
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 200,928
Proper Divisor Sum 76,570
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #124351 ← → #124363

Radix Representation

Decimal 124358
Binary 11110010111000110 (17 bits)
Octal 0o362706
Hexadecimal 0x1E5C6

Divisor Catalog (8)

1 2 13 26 4,783 9,566 62,179 124,358

Collatz Trajectory (43 steps to reach 1)

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

124,358 62,179 186,538 93,269 279,808 139,904 69,952 34,976 17,488 8,744 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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