Properties of the Number 2508

Two Thousand Five Hundred Eight

Basics

Value: 2507 → 2508 → 2509

Parity: even

Prime: No

Previous Prime: 2503

Next Prime: 2521

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 11 × 19

Divisors: 1, 2, 3, 4, 6, 11, 12, 19, 22, 33

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111001100

Octal: 4714

Duodecimal: 1550

Hexadecimal: 9cc

Square: 6290064

Square Root: 50.07993610219566

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: Yes

Fermat Number: No

Cullen Number: No

OEIS Sequences

11-gonal (or hendecagonal) numbers: a(n) = n*(9·n-7)/2. A51682

Generalized 12-gonal numbers: k*(5·k-4) for k = 0, +-1, +-2, ... A195162

Numbers k such that the k-th partition number A000041(k) is prime. A46063

Generalized 11-gonal (or hendecagonal) numbers: m*(9·m - 7)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A195160

Triangle read by rows: T(k,s) = ((2·k+1)/(2·s+1))*binomial(k+s,2·s), 0 <= s <= k. A111125

a(n) = binomial(2·n,n) - binomial(2·n-2,n-1); or (3n-2)*C(n-1), where C = Catalan numbers (A000108). A51924

Number of compositions of n with uniform Lyndon factorization and uniform co-Lyndon factorization. A329398

Numbers that are the sum of 9 positive 6th powers. A3365

a(n) = binomial(n+6,6)*(2n+7)/7. A50486

a(n) = floor(n*φ⁹), where φ is the golden ratio, A001622. A4924