λ
Prime Ledger

407,178

2 × 32 × 22621
Abundant Even Composite

407,178 has the prime decomposition 2 × 3^2 × 22621. Its 3 distinct prime factors produce 12 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 22621
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 882,258
Proper Divisor Sum 475,080
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #407177 ← → #407179

Radix Representation

Decimal 407178
Binary 1100011011010001010 (19 bits)
Octal 0o1433212
Hexadecimal 0x6368A

Divisor Catalog (12)

1 2 3 6 9 18 22,621 45,242 67,863 135,726 203,589 407,178

Collatz Trajectory (60 steps to reach 1)

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

407,178 203,589 610,768 305,384 152,692 76,346 38,173 114,520 57,260 28,630 14,315 42,946 21,473 64,420 32,210 16,105 48,316 24,158 12,079 36,238 18,119 54,358 27,179 81,538 40,769 122,308 61,154 30,577 91,732 45,866 22,933 68,800 34,400 17,200 8,600 4,300 2,150 1,075 3,226 1,613 4,840 2,420 1,210 605 1,816 908 454 227 682 341 1,024 512 256 128 64 32 16 8 4 2

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