1,400,957

83 × 16879

Starting at 1,400,957, the Collatz iteration reaches 1 after 129 steps. The first transition is 4202872; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 83 × 16879

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,417,920

Proper Divisor Sum 16,963

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1400947 ← → #1400989

Radix Representation

Decimal	1400957
Binary	101010110000001111101 (21 bits)
Octal	0o5260175
Hexadecimal	0x15607D

Divisor Catalog (4)

1 83 16,879 1,400,957

Collatz Trajectory (129 steps to reach 1)

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

1,400,957 4,202,872 2,101,436 1,050,718 525,359 1,576,078 788,039 2,364,118 1,182,059 3,546,178 1,773,089 5,319,268 2,659,634 1,329,817 3,989,452 1,994,726 997,363 2,992,090 1,496,045 4,488,136 2,244,068 1,122,034 561,017 1,683,052 841,526 420,763 1,262,290 631,145 1,893,436 946,718 473,359 1,420,078 710,039 2,130,118 1,065,059 3,195,178 1,597,589 4,792,768 2,396,384 1,198,192 599,096 299,548 149,774 74,887 224,662 112,331 336,994 168,497 505,492 252,746 126,373 379,120 189,560 94,780 47,390 23,695 71,086 35,543 106,630 53,315

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