Strong's numbers

σημεῖον G4592

sēmeîon

say-mi'-on

neuter of a presumed derivative of the base of σημαίνω; an indication, especially ceremonially or supernaturally:--miracle, sign, token, wonder.

σημεῖον, -ου, τό [in LXX chiefly for אוֹת ;]

a sign, mark, token;

(a) of that which distinguishes a person or thing from others: Mt 26:48, Lk 2:12, II Th 3:17 (cf. Deiss., LAE, 1532); seq. gen. epexeg., Ro 4:11; c. gen. obj., Mt 24:8, 30, II Co 12:12; c. gen. subj., Mt 16:3;

(b) a sign of warning or admonition: Mt 12:39 16:4, Lk 2:34 11:29, 30, I Co 14:22;

(d) of miracles and wonders (MM, xxii), regarded as signs of a divine authority: Mt 12:38, 39 16:1, 4, Mk 8:11, 12 Lk 11:16, 29 23:8, Jo 2:11, 18, 23 4:54 6:30 10:41 12:18, Ac 4:16, 22; pl., Mk 16:[17, 20], Jo 2:11, 23 3:2 6:2, 14, 26 7:31 9:16 11:47 12:37 20:30, Ac 8:6, I Co 1:22 (Lft., Notes, 162); the same ascribed to false teachers and demons: Mt 24:24, Mk 13:22, II Th 2:9, Re 13:13, 14 16:14 19:20; σ. καὶ τέρατα (τ. καὶ σ.; cf. Tr., Syn., § xci), Mt 24:24, Mk 13:22, Jo 4:48, Ac 2:19, 43 4:30 5:12 6:8 7:36 14:3 15:12, Ro 15:19, II Th 2:9; id. seq. καὶ δυνάμεις, II Co 12:12, He 2:4; σ. καὶ δυνάμεις, Ac 8:13; δ. καὶ τ. καὶ σ., Ac 2:22; σ. διδόναι, Mt 24:24, Mk 13:22.†

From G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), in the public domain.

Shown in the King James Version (KJV), whichever translation you read in — it is the text these numbers are tagged against.

John 6:2
And a great multitude followed him, because they saw his miracles which he did on them that were diseased.
John 6:14
Then those men, when they had seen the miracle that Jesus did, said, This is of a truth that prophet that should come into the world.
John 6:26
Jesus answered them and said, Verily, verily, I say unto you, Ye seek me, not because ye saw the miracles, but because ye did eat of the loaves, and were filled.
John 6:30
They said therefore unto him, What sign shewest thou then, that we may see, and believe thee? what dost thou work?
John 7:31
And many of the people believed on him, and said, When Christ cometh, will he do more miracles than these which this man hath done?
John 9:16
Therefore said some of the Pharisees, This man is not of God, because he keepeth not the sabbath day. Others said, How can a man that is a sinner do such miracles? And there was a division among them.
John 10:41
And many resorted unto him, and said, John did no miracle: but all things that John spake of this man were true.
John 11:47
Then gathered the chief priests and the Pharisees a council, and said, What do we? for this man doeth many miracles.
John 12:18
For this cause the people also met him, for that they heard that he had done this miracle.
John 12:37
But though he had done so many miracles before them, yet they believed not on him: