λ
Prime Ledger

1,321,457

1321457
Deficient Odd Prime

1,321,457 has the prime decomposition 1321457. Its 1 distinct prime factor produce 2 positive divisors.

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Prime Factor Structure

Factorization String 1321457
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,321,458
Proper Divisor Sum 1
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1321451 ← → #1321459

Radix Representation

Decimal 1321457
Binary 101000010100111110001 (21 bits)
Octal 0o5024761
Hexadecimal 0x1429F1

Divisor Catalog (2)

Collatz Trajectory (168 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.

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