λ
Sequence Observatory

1,370,339

827 × 1657
Deficient Odd Composite

Starting at 1,370,339, the Collatz iteration reaches 1 after 54 steps. The first transition is 4111018; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 827 × 1657
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,372,824
Proper Divisor Sum 2,485
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1370329 ← → #1370359

Radix Representation

Decimal 1370339
Binary 101001110100011100011 (21 bits)
Octal 0o5164343
Hexadecimal 0x14E8E3

Divisor Catalog (4)

1 827 1,657 1,370,339

Collatz Trajectory (54 steps to reach 1)

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

1,370,339 4,111,018 2,055,509 6,166,528 3,083,264 1,541,632 770,816 385,408 192,704 96,352 48,176 24,088 12,044 6,022 3,011 9,034 4,517 13,552 6,776 3,388 1,694 847 2,542 1,271 3,814 1,907 5,722 2,861 8,584 4,292 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682 341 1,024 512 256 128 64 32 16 8 4 2 1

More profiles

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