1031

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1031 < 1030 | 1032 >
All Numbers
1000	1001	1002	1003	1004	1005	1006	1007	1008	1009
1010	1011	1012	1013	1014	1015	1016	1017	1018	1019
1020	1021	1022	1023	1024	1025	1026	1027	1028	1029
1030	1031	1032	1033	1034	1035	1036	1037	1038	1039
1040	1041	1042	1043	1044	1045	1046	1047	1048	1049
1050	1051	1052	1053	1054	1055	1056	1057	1058	1059
1060	1061	1062	1063	1064	1065	1066	1067	1068	1069
1070	1071	1072	1073	1074	1075	1076	1077	1078	1079
1080	1081	1082	1083	1084	1085	1086	1087	1088	1089
1090	1091	1092	1093	1094	1095	1096	1097	1098	1099

1031 is the number following 1030 and preceding 1032.

Properties

• It is the 173rd prime number. It is also a Sophie Germain prime number.
• 1031 is an odd number .
• 1031 is an unhappy number.
  

• 1031 is deficient.
• It is the number of ones in the 5th decimal repunit prime \(\frac{10^{1031} -1}{9}\).

Approximations

Notation	Lower bound	Upper bound
Up-arrow notation	32 ↑ 2
Scientific notation	1.031 x 103	1.032 x 103
Slow-growing hierarchy	\(g_{\omega^{\omega}}(4)\)	\(g_{\omega^{\omega}}(5)\)
Copy notation	10[2]	1[4]
Chained arrow notation	32 → 2
Bowers' Exploding Array Function/Bird's array notation	{32,2}
Fast-growing hierarchy	f2(7)	f2(8)
Hardy hierarchy	Hω(515)	Hω(516)
Middle-growing hierarchy	m(ω,10)	m(ω,11)
Hyper-E notation	E3.0133
Hyper-E notation (non-10 base)	\(E[32]2\)
Hyperfactorial array notation	6!	7!
X-Sequence Hyper-Exponential Notation	32{1}2
Steinhaus-Moser Notation	4[3]	5[3]
PlantStar's Debut Notation	[1]	[2]
H* function	H(0)	H(0.1)
Bashicu matrix system with respect to version 4	(0)[32]	(0)[33]
m(n) map	m(1)(4)	m(1)(5)
s(n) map	\(s(1)(\lambda x . x+1)(514)\)	\(s(1)(\lambda x . x+1)(515)\)