Properties of the Number 1121

One Thousand One Hundred Twenty-One

Basics

Value: 1120 → 1121 → 1122

Parity: odd

Prime: No

Previous Prime: 1117

Next Prime: 1123

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 19 × 59

Divisors: 1, 19, 59, 1121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100001

Octal: 2141

Duodecimal: 795

Hexadecimal: 461

Square: 1256641

Square Root: 33.481338085566414

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

Numbers in base 3. A7089

Integers written in factorial base. A7623

a(n) = n + (n+1)². A28387

n written in primorial base. A49345

Generalized octagonal numbers: k*(3·k-2), k=0, +- 1, +- 2, +-3, ... A1082

Numbers that contain only 1's and 2's. Nonempty binary strings of length n in lexicographic order. A7931

Rhombic matchstick numbers: a(n) = n*(3·n+2). A45944

Numbers that are the sum of 5 positive 5th powers. A3350

Partial sums of A299272. A299273

Numbers whose sum of digits is 5. A52219