λ
Matchaa Zalai

220,355

5 × 44071
Deficient Odd Composite

220,355 factors as 5 × 44071. Its 4 positive divisors give a proper-divisor sum of 44,077, so this integer is deficient. The Collatz stopping time is 155 steps.

Prime Factor Structure

Factorization String 5 × 44071
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 264,432
Proper Divisor Sum 44,077
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #220351 ← → #220357

Radix Representation

Decimal 220355
Binary 110101110011000011 (18 bits)
Octal 0o656303
Hexadecimal 0x35CC3

Divisor Catalog (4)

1 5 44,071 220,355

Collatz Trajectory (155 steps to reach 1)

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

220,355 661,066 330,533 991,600 495,800 247,900 123,950 61,975 185,926 92,963 278,890 139,445 418,336 209,168 104,584 52,292 26,146 13,073 39,220 19,610 9,805 29,416 14,708 7,354 3,677 11,032 5,516 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242

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