Properties of the Number 1123

One Thousand One Hundred Twenty-Three

Basics

Value: 1122 → 1123 → 1124

Parity: odd

Prime: Yes

Previous Prime: 1117

Next Prime: 1129

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 1123

Divisors: 1, 1123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001100011

Octal: 2143

Duodecimal: 797

Hexadecimal: 463

Square: 1261129

Square Root: 33.51119216023208

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Central polygonal numbers: a(n) = n² - n + 1. A2061

Balanced primes (of order one): primes which are the average of the previous prime and the following prime. A6562

Primes of form 10n+3. A30431

Primes of the form 1 + n + n² + n³ + ... + n^k, n > 1, k > 1. A85104

Primes followed by a gap of 6, i.e., next prime is p + 6. A31924

Primes of form k² + k + 1. A2383

Primes == 3 (mod 8). A7520

Primes that become another prime under the map 1 <-> 0 (acting on the digits: A222210), cf. A171013. A175791

Primes that divide at least one term in every Fibonacci sequence. A57

Numbers that are the sum of 7 positive 5th powers. A3352