Properties of the Number 12496

Twelve Thousand Four Hundred Ninety-Six

Basics

Value: 12495 → 12496 → 12497

Parity: even

Prime: No

Previous Prime: 12491

Next Prime: 12497

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 11 × 71

Divisors: 1, 2, 4, 8, 11, 16, 22, 44, 71, 88

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

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Representations

Binary: 11000011010000

Octal: 30320

Duodecimal: 7294

Hexadecimal: 30d0

Square: 156150016

Square Root: 111.78550889985696

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

a(n) = n*(2·n+5)*(n-1)/6. A51925

Sociable numbers: smallest member of each cycle (conjectured). A3416

Expansion of g.f. 1/((1-2·x)*(1-10·x)). A16134

Expansion of 1/((1-6·x)*(1-8·x)). A16170

a(n) = (2·n + 1)*(5·n + 1). A33571

7th binomial transform of (0,1,0,1,0,1,....), A000035. A81201

Numbers n which when converted to base 5, reversed and converted back to base 10 yield a number m such that n mod m = 0. Cases which are trivial or result in digit loss are excluded. A91079

Conjectured list of sociable numbers. A122726

Number of colorings of K₄ using at most n colors. A63842

a(n) = prime(prime(prime(prime(prime(A028815(n) - 1) - 1) - 1) - 1) - 1) - 1. A141130