1500000

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1500000
< 1499999
1500001 >

1500000 is the number following 1499999 and preceding 1500001.

Properties

• Its factors are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2400, 2500, 3000, 3125, 3750, 4000, 5000, 6000, 6250, 7500, 9375, 10000, 12000, 12500, 15000, 15625, 18750, 20000, 25000, 30000, 31250, 37500, 46875, 50000, 60000, 62500, 75000, 93750, 100000, 125000, 150000, 187500, 250000, 300000, 375000, 500000, 750000 and 1500000, making it a composite number.
• 1500000 is an even number .
• 1500000 is an unhappy number.
  

• 1500000 is abundant.
  
• Its prime factorization is 2⁵ × 3¹ × 5⁶.
  
• 1500000 is a Harshad number, meaning it is divisible by the sum of its digits.
  
• 1,500,000 is the number of dominoes set up for Saturday, January 2, 1988 in Rosmalen.

Approximations

Notation	Lower bound	Upper bound
Up-arrow notation	1225 ↑ 2
Scientific notation	1.5 x 106
Slow-growing hierarchy	\(g_{\omega^{\omega}}(7)\)	\(g_{\omega^{\omega}}(8)\)
Chained arrow notation	1225 → 2
Bowers' Exploding Array Function/Bird's array notation	{1225,2}
Hardy hierarchy	Hω(750000)	Hω(750000)
Middle-growing hierarchy	m(ω,20)
Hyper-E notation	E6.1761
Hyper-E notation (non-10 base)	\(E[1225]2\)
X-Sequence Hyper-Exponential Notation	1225{1}2
PlantStar's Debut Notation	[3]	[4]
H* function	H(1)	H(1.1)
Bashicu matrix system with respect to version 4	(0)[1224]	(0)[1225]