Properties of the Number 31426

Thirty-One Thousand Four Hundred Twenty-Six

Basics

Value: 31425 → 31426 → 31427

Parity: even

Prime: No

Previous Prime: 31397

Next Prime: 31469

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 19 × 827

Divisors: 1, 2, 19, 38, 827, 1654, 15713, 31426

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101011000010

Octal: 75302

Duodecimal: 1622A

Hexadecimal: 7ac2

Square: 987593476

Square Root: 177.2737995305567

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

Smallest number at distance n from nearest prime. A51652

Number of simple perfect squared rectangles of order n up to symmetry. A2839

Number of partitions of n in which each even part has odd multiplicity. A130126

Smallest number at distance 2n+1 from nearest prime. A51729

a(n) is the smallest number for which the prime distance A051699 is equal to n. A77019

Number of nonsquare simple perfect squared rectangles of order n up to symmetry. A219766

Row sums of triangle A143102. A143103

Let u(1)=u(2)=u(3)=1, u(n+3)=(n·u(n)+(n+1)*u(n+1)+(n+2)*u(n+2))/(n+3); sequence gives values of n such that u(n) is an integer. A75770

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the last peak equal to k (1 <= k <= n). A128745

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 525", based on the 5-celled von Neumann neighborhood. A272740