Properties of the Number 7115

Seven Thousand One Hundred Fifteen

Basics

Value: 7114 → 7115 → 7116

Parity: odd

Prime: No

Previous Prime: 7109

Next Prime: 7121

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 1423

Divisors: 1, 5, 1423, 7115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111001011

Octal: 15713

Duodecimal: 414B

Hexadecimal: 1bcb

Square: 50623225

Square Root: 84.35045939412541

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

Position of first appearance of zero in the n-th differences of the prime-powers (A246655), or 0 if it does not appear. A377055

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime. A251950

Number of partitions of n having population standard deviation < 2. A238658

Multiples of 5 in which there is no common digit in successive terms. A83493

Number of times an odious number is encountered when iterating from 2ⁿ⁺¹-2 to (2ⁿ)-2 with the map x -> x - (number of runs in binary representation of x). A255064

Positions of check bits in code in A075934. A75936

a(n) = a(n - 1) - 2·a(n - 2) + a(n - 3) - 2·a(n - 4) + a(n - 5). A122582

Coefficient of·in the reduction by x² -> x+1 of the polynomial p(n,x) defined at Comments. A192982

Number of lattice points in the closed region bounded by the graphs of y = (5/6)*x², x = n, and y = 0, excluding points on the x-axis. A227347

Expansion of ∏_k>=1 1/(1 - x^k)^k*(5·k-3/2). A278769