Properties of the Number 12612

Twelve Thousand Six Hundred Twelve

Basics

Value: 12611 → 12612 → 12613

Parity: even

Prime: No

Previous Prime: 12611

Next Prime: 12613

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 1051

Divisors: 1, 2, 3, 4, 6, 12, 1051, 2102, 3153, 4204

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000101000100

Octal: 30504

Duodecimal: 7370

Hexadecimal: 3144

Square: 159062544

Square Root: 112.30316113093166

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

T(n,k)=Number of length n+5 0..k arrays with no disjoint triples in any consecutive six terms having the same sum. A247995

Sum of the first n primes whose indices are primes. A83186

Numbers m with m - 1, m + 1 and q(m) - 1 all prime, where q(.) is the strict partition function (A000009). A235346

Number of series-reduced planted achiral trees whose leaves span an initial interval of positive integers appearing with multiplicities an integer partition of n. A317099

a(n) = 27·n² - 21·n + 6 (n>=1). A304164

Least k such that k·7ⁿ +/- 1 are twin primes. A64217

a(n) = 13 + floor(∑_j=1..n-1 a(j)/2). A120140

McKay-Thompson series of class 36C for Monster. A58646

Numbers k such that k^k + k + 5 is prime. A100849

Expansion of ∏_k>=1 (1 + 2·x^k - x^2·k). A293182