Integer Profile

2,561,609

71 × 109 × 331

Prime factors, divisor sums, positional representations and sequence properties for 2,561,609. The prime factorization is 71 × 109 × 331.

Number of positive divisors: 8. Showing the recorded part of the sequence: 99.

DeficientOddComposite

Collatz trajectory (99 steps)

Even: n → n/2; Odd: n → 3n + 1

2,561,6097,684,8283,842,4141,921,2075,763,6222,881,8118,645,4344,322,71712,968,1526,484,0763,242,0381,621,0194,863,0582,431,5297,294,5883,647,2941,823,6475,470,9422,735,4718,206,4144,103,20712,309,6226,154,81118,464,4349,232,21727,696,65213,848,3266,924,16320,772,49010,386,24531,158,73615,579,3687,789,6843,894,8421,947,4215,842,2642,921,1321,460,566730,2832,190,8501,095,4253,286,2761,643,138821,5692,464,7081,232,354616,1771,848,532924,266462,1331,386,400693,200346,600173,30086,65043,325129,97664,98832,49416,247

Showing 60 of 60.

Prime factorization

Factorization: 71 × 109 × 331
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 8
Divisor sum: 2,629,440
Proper-divisor sum: 67,831
Digit sum: 29
Digital root: 2

Number bases

Decimal: 2561609
Binary: 1001110001011001001001 (22 bits)
Octal: 0o11613111
Hexadecimal: 0x271649

Divisor catalog (8)

1711093317,73923,50136,0792,561,609

Showing 8 of 8.