858,142

2 × 31 × 13841

858,142 factors as 2 × 31 × 13841. Its 8 positive divisors give a proper-divisor sum of 470,690, so this integer is deficient. The Collatz stopping time is 100 steps.

Prime Factor Structure

Factorization String 2 × 31 × 13841

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,328,832

Proper Divisor Sum 470,690

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #858127 ← → #858149

Radix Representation

Decimal	858142
Binary	11010001100000011110 (20 bits)
Octal	0o3214036
Hexadecimal	0xD181E

Divisor Catalog (8)

1 2 31 62 13,841 27,682 429,071 858,142

Collatz Trajectory (100 steps to reach 1)

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

858,142 429,071 1,287,214 643,607 1,930,822 965,411 2,896,234 1,448,117 4,344,352 2,172,176 1,086,088 543,044 271,522 135,761 407,284 203,642 101,821 305,464 152,732 76,366 38,183 114,550 57,275 171,826 85,913 257,740 128,870 64,435 193,306 96,653 289,960 144,980 72,490 36,245 108,736 54,368 27,184 13,592 6,796 3,398 1,699 5,098 2,549 7,648 3,824 1,912 956 478 239 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911

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