Properties of the Number 12169

Twelve Thousand One Hundred Sixty-Nine

Basics

Value: 12168 → 12169 → 12170

Parity: odd

Prime: No

Previous Prime: 12163

Next Prime: 12197

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 43 × 283

Divisors: 1, 43, 283, 12169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111110001001

Octal: 27611

Duodecimal: 7061

Hexadecimal: 2f89

Square: 148084561

Square Root: 110.31319050775387

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

Number of compositions (ordered partitions) of n into distinct odd parts. A32021

Third row of Pascal-(1,3,1) array A081578. A81585

a(n) = n³ + 2. A84380

a(n) = 18·n² + 1. A157889

a(n) = ∑_d∣n sigma₃(d). A321140

Semiprimes of the form 2·n + 1, where n is a square. A111351

a(n) = 338·n + 1. A158000

Number of (w,x,y) with all terms in {0,...,n} and max(w,x,y) >= 2·min(w,x,y). A213390

Numbers k such that k⁵*2^k - 1 is a prime. A367464

a(n) = (n-1)*(n-2)*(n-3) + n. A34324