2,163,507

3 × 721169

Starting at 2,163,507, the Collatz iteration reaches 1 after 166 steps. The first transition is 6490522; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 721169

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,884,680

Proper Divisor Sum 721,173

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #2163503 ← → #2163509

Radix Representation

Decimal	2163507
Binary	1000010000001100110011 (22 bits)
Octal	0o10201463
Hexadecimal	0x210333

Divisor Catalog (4)

1 3 721,169 2,163,507

Collatz Trajectory (166 steps to reach 1)

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

2,163,507 6,490,522 3,245,261 9,735,784 4,867,892 2,433,946 1,216,973 3,650,920 1,825,460 912,730 456,365 1,369,096 684,548 342,274 171,137 513,412 256,706 128,353 385,060 192,530 96,265 288,796 144,398 72,199 216,598 108,299 324,898 162,449 487,348 243,674 121,837 365,512 182,756 91,378 45,689 137,068 68,534 34,267 102,802 51,401 154,204 77,102 38,551 115,654 57,827 173,482 86,741 260,224 130,112 65,056 32,528 16,264 8,132 4,066 2,033 6,100 3,050 1,525 4,576 2,288

← Previous Integer #2,163,506 Browse Full Index Next Integer #2,163,508 →