2856

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2856 < 2855 | 2857 >
All Numbers
2800	2801	2802	2803	2804	2805	2806	2807	2808	2809
2810	2811	2812	2813	2814	2815	2816	2817	2818	2819
2820	2821	2822	2823	2824	2825	2826	2827	2828	2829
2830	2831	2832	2833	2834	2835	2836	2837	2838	2839
2840	2841	2842	2843	2844	2845	2846	2847	2848	2849
2850	2851	2852	2853	2854	2855	2856	2857	2858	2859
2860	2861	2862	2863	2864	2865	2866	2867	2868	2869
2870	2871	2872	2873	2874	2875	2876	2877	2878	2879
2880	2881	2882	2883	2884	2885	2886	2887	2888	2889
2890	2891	2892	2893	2894	2895	2896	2897	2898	2899

2856 is the number following 2855 and preceding 2857.

Properties

• Its factors are 1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428 and 2856, making it a composite number.
• 2856 is an even number .
• 2856 is a happy number.

• 2856 is abundant.
  
• Its prime factorization is 2³ × 3¹ × 7¹ × 17¹.
  
• 2856 is a Harshad number, meaning it is divisible by the sum of its digits.
  

Approximations

Notation	Lower bound	Upper bound
Up-arrow notation	53 ↑ 2
Scientific notation	2.856 x 103	2.857 x 103
Slow-growing hierarchy	\(g_{\omega^{\omega}}(4)\)	\(g_{\omega^{\omega}}(5)\)
Copy notation	28[2]	29[2]
Chained arrow notation	53 → 2
Bowers' Exploding Array Function/Bird's array notation	{53,2}
Fast-growing hierarchy	f2(8)	f2(9)
Hardy hierarchy	Hω(1428)	Hω(1428)
Middle-growing hierarchy	m(ω,11)	m(ω,12)
Hyper-E notation	E3.4558
Hyper-E notation (non-10 base)	\(E[53]2\)
Hyperfactorial array notation	6!	7!
X-Sequence Hyper-Exponential Notation	53{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)[53]	(0)[54]
m(n) map	m(1)(4)	m(1)(5)
s(n) map	\(s(1)(\lambda x . x+1)(1427)\)	\(s(1)(\lambda x . x+1)(1428)\)