λ
Prime Ledger

1,421,740

22 × 5 × 67 × 1061
Abundant Even Composite

1,421,740 has the prime decomposition 2^2 × 5 × 67 × 1061. Its 4 distinct prime factors produce 24 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 5 × 67 × 1061
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 3,033,072
Proper Divisor Sum 1,611,332
Digit Sum / Digital Root 19 (Root: 1)
Adjacent Primes #1421737 ← → #1421741

Radix Representation

Decimal 1421740
Binary 101011011000110101100 (21 bits)
Octal 0o5330654
Hexadecimal 0x15B1AC

Divisor Catalog (5 of 24)

1 2 4 5 10

Collatz Trajectory (181 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

1,421,740 710,870 355,435 1,066,306 533,153

More profiles

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