ASCII 1

Start of Heading (SOH)

Control character

Legacy telegraphy control code; unused in modern protocols.

All encodings at a glance

JavaScript

String.fromCharCode(1); // "SOH"
1.toString(16); // "01"

Python

chr(1)           # control char SOH
ord(chr(1))      # 1
hex(1)           # '0x01'

HTML

&#1;   <!-- numeric entity (no named entity for this character) -->

0 — NUL

Null

2 — STX

Start of Text

3 — ETX

End of Text

4 — EOT

End of Transmission