Riwriw

Ti maysa a riwriw iti (Ingles:million) (1,000,000) wenno sangaribo a ribo, ket isu ti nakaisigud a sumaruno iti 999,999 ken sarunuen iti 1,000,001. Ti balikas a million iti Ingles ket naala iti pagsasao nga Italiano a millione a nanipud iti mille wenno ribo iti Ilokano.

Iti sientifico a notasion, maisurat kas 10^6.

Napili a 7- a-digit a numnumero (1000001 - 9999999)

• 1046527 - Carol prime
• 1048576 = 2^20 (power of two), 2116-gonal number, an 8740-gonal number and a 174764-gonal number, the number of bytes in a mebibyte, the number of kibibytes in a gibibyte, and so on.
• 1084051 - Keith number
• 1089270 - harmonic divisor number
• 1111111 - repunit
• 1342269 - Fibonacci number
• 1421280 - harmonic divisor number
• 1539720 - harmonic divisor number
• 1563372 - Wedderburn-Etherington number
• 1594323 = 3^13
• 1679616 = 6^8
• 1771561 = 11^6 = 1331^2, also, Commander Spock's estimate for the Tribble population in the Star Trek episode "The Trouble With Tribbles"
• 1953125 = 5^9
• 2097152 = 2^21, power of two
• 2124679 - Wolstenholme prime
• 2178309 - Fibonacci number
• 2222222 - repdigit
• 2356779 - Motzkin number
• 2674440 - Catalan number
• 3333333 - repdigit
• 3524578 - Fibonacci number
• 3626149 - Wedderburn-Etherington prime
• 3628800 = 10!
• 4194304 = 2^22, power of two
• 4444444 - repdigit
• 4782969 = 3^14
• 4826809 = 13^6
• 5555555 - repdigit
• 5702887 - Fibonacci number
• 5764801 = 7^8
• 6536382 - Motzkin number
• 6666666 - repdigit
• 7365000 - Pennsylvania 6-5000, old style phone number of the Pennsylvania Hotel and name of a popular song
• 7777777 - repdigit
• 7913837 - Keith number
• 8388608 = 2^23, power of two
• 8436379 - Wedderburn-Etherington number
• 8675309 - Popular song from 1981 titled 867-5309/Jenny by Tommy Tutone
• 8888888 - repdigit
• 8946176 - self-descriptive number in base 8
• 9227465 - Fibonacci number
• 9369319 - Newman-Shanks-Williams prime
• 9694845 - Catalan number
• 9765625 = 5^10
• 9999999 - repdigit