1234 (number)

← 1233 1234 1235 →
Cardinalone thousand two hundred thirty-four
Ordinal1234th
(one thousand two hundred thirty-fourth)
Factorization2 × 617
Greek numeral,ΑΣΛΔ´
Roman numeralMCCXXXIV, mccxxxiv
Binary100110100102
Ternary12002013
Senary54146
Octal23228
Duodecimal86A12
Hexadecimal4D216

1234 is the natural number following 1233, and preceding 1235. It has two distinct prime factors, 2 and 617, making it a squarefree semiprime. It is the number of independent vertex sets in a 4×4 square grid, or equivalently, the number of distinct 4×4 binary matrices in which no two adjacent elements are both equal to 1.

A 2012 study of frequently-used personal identification numbers (PIN) found that, among 4-digit PIN codes, 1234 is the most frequently chosen.

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