Properties of the Number 31495

Thirty-One Thousand Four Hundred Ninety-Five

Basics

Value: 31494 → 31495 → 31496

Parity: odd

Prime: No

Previous Prime: 31489

Next Prime: 31511

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 6299

Divisors: 1, 5, 6299, 31495

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111101100000111

Octal: 75407

Duodecimal: 16287

Hexadecimal: 7b07

Square: 991935025

Square Root: 177.46830702973418

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

a(n) = n*(7·n² - 1)/6. A4126

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-2) or (-2,0) and new values introduced in order 0..2. A275037

Number of weighted voting procedures. A5254

Antidiagonal sums in A101321. A101338

Number of n X 3 0..1 arrays with every element equal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero. A297981

Number of nX7 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-2) or (-2,0) and new values introduced in order 0..2. A275036

Number of 4Xn 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-2) or (-2,0) and new values introduced in order 0..2. A275039

Partial sums of A299896. A299897

Numbers whose base-9 representation has one fewer 0 than 8's. A31495