858,964

2² × 214741

858,964 factors as 2^2 × 214741. Its 6 positive divisors give a proper-divisor sum of 644,230, so this integer is deficient. The Collatz stopping time is 100 steps.

Prime Factor Structure

Factorization String 2^2 × 214741

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,503,194

Proper Divisor Sum 644,230

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #858961 ← → #858989

Radix Representation

Decimal	858964
Binary	11010001101101010100 (20 bits)
Octal	0o3215524
Hexadecimal	0xD1B54

Divisor Catalog (6)

1 2 4 214,741 429,482 858,964

Collatz Trajectory (100 steps to reach 1)

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

858,964 429,482 214,741 644,224 322,112 161,056 80,528 40,264 20,132 10,066 5,033 15,100 7,550 3,775 11,326 5,663 16,990 8,495 25,486 12,743 38,230 19,115 57,346 28,673 86,020 43,010 21,505 64,516 32,258 16,129 48,388 24,194 12,097 36,292 18,146 9,073 27,220 13,610 6,805 20,416 10,208 5,104 2,552 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911

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