Properties of the Number 12776

Twelve Thousand Seven Hundred Seventy-Six

Basics

Value: 12775 → 12776 → 12777

Parity: even

Prime: No

Previous Prime: 12763

Next Prime: 12781

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 1597

Divisors: 1, 2, 4, 8, 1597, 3194, 6388, 12776

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000111101000

Octal: 30750

Duodecimal: 7488

Hexadecimal: 31e8

Square: 163226176

Square Root: 113.03096920755833

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

Expansion of 1/(1 - x³ - x⁵ - x⁷ + x¹⁰), inverse of a Salem polynomial. A143472

Numbers n such that the decimal expansions of both n and n² have 1 as smallest digit and 7 as largest digit. A257210

Numbers generated by a Fibonacci-like sequence in which zeros are suppressed. A243063

Fibonacci sequence beginning 0, 8. A22091

T(n,k)=Number of nXk 0..5 arrays with every row and column running average nondecreasing rightwards and downwards. A200831

Numbers k such that k! - prime(k) is prime. A64401

Binomial transform of [1, 25, 25, 25, ...]. A139698

a(n) = (n + 1)*(20·n² + 19·n + 6)/6. A220084

Smallest even fundamental discriminant k such that h(-k) = 2n, where h(D) is the class number of the quadratic field with discriminant D; or 0 if no such k exists. A344072

Shifts left under lcm-convolution with itself. A7463