520

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520 < 519 | 521 >
All Numbers
500	501	502	503	504	505	506	507	508	509
510	511	512	513	514	515	516	517	518	519
520	521	522	523	524	525	526	527	528	529
530	531	532	533	534	535	536	537	538	539
540	541	542	543	544	545	546	547	548	549
550	551	552	553	554	555	556	557	558	559
560	561	562	563	564	565	566	567	568	569
570	571	572	573	574	575	576	577	578	579
580	581	582	583	584	585	586	587	588	589
590	591	592	593	594	595	596	597	598	599

520 is the number following 519 and preceding 521.

Properties

• Its factors are 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260 and 520, making it a composite number.
• 520 is an even number .
• 520 is an unhappy number.
  

• 520 is abundant.
  
• Its prime factorization is 2³ × 5¹ × 13¹.
  

Approximations

Notation	Lower bound	Upper bound
Up-arrow notation	8 ↑ 3
Scientific notation	5.2 x 102	5.201 x 102
Slow-growing hierarchy	\(g_{\omega^{\omega}}(4)\)	\(g_{\omega^{\omega}}(5)\)
Copy notation	4[3]	5[3]
Chained arrow notation	8 → 3
Bowers' Exploding Array Function/Bird's array notation	{8,3}
Fast-growing hierarchy	f2(6)	f2(7)
Hardy hierarchy	Hω(260)	Hω(260)
Middle-growing hierarchy	m(ω,9)	m(ω,10)
Hyper-E notation	E2.716
Hyper-E notation (non-10 base)	\(E[8]3\)
Hyperfactorial array notation	5!	6!
X-Sequence Hyper-Exponential Notation	8{1}3
Steinhaus-Moser Notation	4[3]	5[3]
PlantStar's Debut Notation	[1]	[2]
H* function	H(-0.1)	H(-0)
Bashicu matrix system with respect to version 4	(0)[22]	(0)[23]
m(n) map	m(1)(4)	m(1)(5)
s(n) map	\(s(1)(\lambda x . x+1)(259)\)	\(s(1)(\lambda x . x+1)(260)\)