8,440,142

2 × 19 × 222109

8,440,142 is even and not a perfect square. Its factorization is 2 × 19 × 222109 and its 8 divisors sum to 13,326,600.

Prime Factor Structure

Factorization String 2 × 19 × 222109

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 13,326,600

Proper Divisor Sum 4,886,458

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #8440139 ← → #8440147

Radix Representation

Decimal	8440142
Binary	100000001100100101001110 (24 bits)
Octal	0o40144516
Hexadecimal	0x80C94E

Divisor Catalog (8)

1 2 19 38 222,109 444,218 4,220,071 8,440,142

Collatz Trajectory (181 steps to reach 1)

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

8,440,142 4,220,071 12,660,214 6,330,107 18,990,322 9,495,161 28,485,484 14,242,742 7,121,371 21,364,114 10,682,057 32,046,172 16,023,086 8,011,543 24,034,630 12,017,315 36,051,946 18,025,973 54,077,920 27,038,960 13,519,480 6,759,740 3,379,870 1,689,935 5,069,806 2,534,903 7,604,710 3,802,355 11,407,066 5,703,533 17,110,600 8,555,300 4,277,650 2,138,825 6,416,476 3,208,238 1,604,119 4,812,358 2,406,179 7,218,538 3,609,269 10,827,808 5,413,904 2,706,952 1,353,476 676,738 338,369 1,015,108 507,554 253,777 761,332 380,666 190,333 571,000 285,500 142,750 71,375 214,126 107,063 321,190

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