142,273

17 × 8369

Starting at 142,273, the Collatz iteration reaches 1 after 100 steps. The first transition is 426820; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 17 × 8369

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 150,660

Proper Divisor Sum 8,387

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #142271 ← → #142297

Radix Representation

Decimal	142273
Binary	100010101111000001 (18 bits)
Octal	0o425701
Hexadecimal	0x22BC1

Divisor Catalog (4)

1 17 8,369 142,273

Collatz Trajectory (100 steps to reach 1)

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

142,273 426,820 213,410 106,705 320,116 160,058 80,029 240,088 120,044 60,022 30,011 90,034 45,017 135,052 67,526 33,763 101,290 50,645 151,936 75,968 37,984 18,992 9,496 4,748 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911

← Previous Integer #142,272 Browse Full Index Next Integer #142,274 →