Properties of the Number 31174

Thirty-One Thousand One Hundred Seventy-Four

Basics

Value: 31173 → 31174 → 31175

Parity: even

Prime: No

Previous Prime: 31159

Next Prime: 31177

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 13 × 109

Divisors: 1, 2, 11, 13, 22, 26, 109, 143, 218, 286

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100111000110

Octal: 74706

Duodecimal: 1605A

Hexadecimal: 79c6

Square: 971818276

Square Root: 176.56160398002731

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

Numbers k for which rank of the elliptic curve y²=x³+k·x is 4. A309031

Numbers n such that φ(n) = φ(n+11), with Euler's totient function φ = A000010. A276504

Number of compositions of n, where the difference between the number of odd parts and the number of even parts is 4. A242502

Sum of the lengths of the cycle types of the permutation created by duality and reversal on the partitions of n. A36050

a(n) = [xⁿ] 1/(∑_k>=0 x^k²)ⁿ. A363780

Intermediate edge b of smallest (measured by the longest edge) primitive Euler bricks (a, b, c, sqrt(a² + b²), sqrt(b² + c²), sqrt(a² + c²) are integers). A31174

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the four sums of the central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically. A254564