12321

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12321 < 12320 | 12322 >
All Numbers
12300	12301	12302	12303	12304	12305	12306	12307	12308	12309
12310	12311	12312	12313	12314	12315	12316	12317	12318	12319
12320	12321	12322	12323	12324	12325	12326	12327	12328	12329
12330	12331	12332	12333	12334	12335	12336	12337	12338	12339
12340	12341	12342	12343	12344	12345	12346	12347	12348	12349
12350	12351	12352	12353	12354	12355	12356	12357	12358	12359
12360	12361	12362	12363	12364	12365	12366	12367	12368	12369
12370	12371	12372	12373	12374	12375	12376	12377	12378	12379
12380	12381	12382	12383	12384	12385	12386	12387	12388	12389
12390	12391	12392	12393	12394	12395	12396	12397	12398	12399

12321 is the number following 12320 and preceding 12322.

Properties

• Its factors are 1, 3, 9, 37, 111, 333, 1369, 4107 and 12321, making it a composite number. It is also a cubefree number.
• 12321 is an odd number .
• 12321 is a happy number.

• 12321 is a centered octagonal number.
  
• 12321 is deficient.
  
• Its prime factorization is 3² × 37².
  
• 12321 is a palindromic number, meaning it is the same forwards and reverse.
  
• 12321 is a Harshad number, meaning it is divisible by the sum of its digits.
  

Approximations

Notation	Lower bound	Upper bound
Up-arrow notation	111 ↑ 2
Scientific notation	1.232 x 104	1.233 x 104
Slow-growing hierarchy	\(g_{\omega^{\omega}}(5)\)	\(g_{\omega^{\omega}}(6)\)
Copy notation	1[5]	2[5]
Chained arrow notation	111 → 2
Bowers' Exploding Array Function/Bird's array notation	{111,2}
Fast-growing hierarchy	f2(10)	f2(11)
Hardy hierarchy	Hω(6160)	Hω(6161)
Middle-growing hierarchy	m(ω,13)	m(ω,14)
Hyper-E notation	E4.0906
Hyper-E notation (non-10 base)	\(E[111]2\)
Hyperfactorial array notation	7!	8!
X-Sequence Hyper-Exponential Notation	111{1}2
Steinhaus-Moser Notation	5[3]	6[3]
PlantStar's Debut Notation	[2]	[3]
H* function	H(0.3)	H(0.4)
Bashicu matrix system with respect to version 4	(0)[111]	(0)[111]
m(n) map	m(1)(5)	m(1)(6)
s(n) map	\(s(1)(\lambda x . x+1)(6159)\)	\(s(1)(\lambda x . x+1)(6160)\)