2681 | |||||||||
---|---|---|---|---|---|---|---|---|---|
All Numbers | |||||||||
2600 | 2601 | 2602 | 2603 | 2604 | 2605 | 2606 | 2607 | 2608 | 2609 |
2610 | 2611 | 2612 | 2613 | 2614 | 2615 | 2616 | 2617 | 2618 | 2619 |
2620 | 2621 | 2622 | 2623 | 2624 | 2625 | 2626 | 2627 | 2628 | 2629 |
2630 | 2631 | 2632 | 2633 | 2634 | 2635 | 2636 | 2637 | 2638 | 2639 |
2640 | 2641 | 2642 | 2643 | 2644 | 2645 | 2646 | 2647 | 2648 | 2649 |
2650 | 2651 | 2652 | 2653 | 2654 | 2655 | 2656 | 2657 | 2658 | 2659 |
2660 | 2661 | 2662 | 2663 | 2664 | 2665 | 2666 | 2667 | 2668 | 2669 |
2670 | 2671 | 2672 | 2673 | 2674 | 2675 | 2676 | 2677 | 2678 | 2679 |
2680 | 2681 | 2682 | 2683 | 2684 | 2685 | 2686 | 2687 | 2688 | 2689 |
2690 | 2691 | 2692 | 2693 | 2694 | 2695 | 2696 | 2697 | 2698 | 2699 |
2681 is the number following 2680 and preceding 2682.
Properties[]
- Its factors are 1, 7, 383 and 2681, making it a composite number.[1][2][3] It is also a squarefree number.[4]
- 2681 is an odd number[5][6] .
- 2681 is an unhappy number.[7][8]
- 2681 is deficient.[9]
- Its prime factorization is 71 × 3831.
Approximations[]
Notation | Lower bound | Upper bound | |
---|---|---|---|
Up-arrow notation | 52 ↑ 2 | ||
Scientific notation | 2.681 x 103 | 2.682 x 103 | |
Slow-growing hierarchy | \(g_{\omega^{\omega}}(4)\) | \(g_{\omega^{\omega}}(5)\) | |
Copy notation | 26[2] | 27[2] | |
Chained arrow notation | 52 → 2 | ||
Bowers' Exploding Array Function/Bird's array notation | {52,2} | ||
Fast-growing hierarchy | f2(8) | f2(9) | |
Hardy hierarchy | Hω(1340) | Hω(1341) | |
Middle-growing hierarchy | m(ω,11) | m(ω,12) | |
Hyper-E notation | E3.4283 | ||
Hyper-E notation (non-10 base) | \(E[52]2\) | ||
Hyperfactorial array notation | 6! | 7! | |
X-Sequence Hyper-Exponential Notation | 52{1}2 | ||
Steinhaus-Moser Notation | 4[3] | 5[3] | |
PlantStar's Debut Notation | [2] | [3] | |
H* function | H(0.1) | H(0.2) | |
Bashicu matrix system with respect to version 4 | (0)[51] | (0)[52] | |
m(n) map | m(1)(4) | m(1)(5) | |
s(n) map | \(s(1)(\lambda x . x+1)(1339)\) | \(s(1)(\lambda x . x+1)(1340)\) |
Sources[]
- ↑ OEIS A002808 - Composite numbers
- ↑ Wolfram Alpha Is 2681 composite?
- ↑ Wolfram Alpha 2681's factors
- ↑ OEIS A005117 - Squarefree numbers
- ↑ OEIS A005408 - Odd numbers
- ↑ Wolfram Alpha Is 2681 odd?
- ↑ Wolfram Alpha Unhappy Numbers
- ↑ OEIS A031177 - Unhappy Numbers
- ↑ OEIS A005100 - Deficient numbers