227

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227 < 226 | 228 >
All Numbers
200	201	202	203	204	205	206	207	208	209
210	211	212	213	214	215	216	217	218	219
220	221	222	223	224	225	226	227	228	229
230	231	232	233	234	235	236	237	238	239
240	241	242	243	244	245	246	247	248	249
250	251	252	253	254	255	256	257	258	259
260	261	262	263	264	265	266	267	268	269
270	271	272	273	274	275	276	277	278	279
280	281	282	283	284	285	286	287	288	289
290	291	292	293	294	295	296	297	298	299

227 is the number following 226 and preceding 228.

Properties

• It is the 49th prime number. It is also a safe prime number.
• 227 is an odd number .
• 227 is an unhappy number.
  

• 227 is deficient.

Approximations

Notation	Lower bound	Upper bound
Up-arrow notation	15 ↑ 2
Scientific notation	2.27 x 102	2.271 x 102
Slow-growing hierarchy	\(g_{\omega^{\omega}}(3)\)	\(g_{\omega^{\omega}}(4)\)
Copy notation	2[3]	3[3]
Chained arrow notation	15 → 2
Bowers' Exploding Array Function/Bird's array notation	{15,2}
Fast-growing hierarchy	f2(5)	f2(6)
Hardy hierarchy	Hω(113)	Hω(114)
Middle-growing hierarchy	m(ω,7)	m(ω,8)
Hyper-E notation	E2.356
Hyper-E notation (non-10 base)	\(E[15]2\)
Hyperfactorial array notation	5!	6!
X-Sequence Hyper-Exponential Notation	15{1}2
Steinhaus-Moser Notation	3[3]	4[3]
PlantStar's Debut Notation	[1]	[2]
H* function	H(-0.3)	H(-0.2)
Bashicu matrix system with respect to version 4	(0)[15]	(0)[16]
m(n) map	m(1)(3)	m(1)(4)
s(n) map	\(s(1)(\lambda x . x+1)(112)\)	\(s(1)(\lambda x . x+1)(113)\)