Properties of the Number 31325

Thirty-One Thousand Three Hundred Twenty-Five

Basics

Value: 31324 → 31325 → 31326

Parity: odd

Prime: No

Previous Prime: 31321

Next Prime: 31327

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 7 × 179

Divisors: 1, 5, 7, 25, 35, 175, 179, 895, 1253, 4475

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101001011101

Octal: 75135

Duodecimal: 16165

Hexadecimal: 7a5d

Square: 981255625

Square Root: 176.9887002042786

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) = A061037(7·n+2). A165943

a(n) = (4·n+3)*(4·n+7). A85027

Quintisection A061037(5·n+2). A165248

Numerators of continued fraction convergents to sqrt(627). A42202

a(n) = (6·n+1)*(6·n+5). A1513

a(n) = prime(n)² - 4·prime(n). A245034

Numbers n such that n!3 - 3³ is prime, where n!3 = n!!! is a triple factorial number (A007661). A247463

a(n) = n*(2·n² + 3), n >= 1; a(0)=1. A288534

Numbers with largest ratio A003313(k)/log₂(k) in the range 2ⁿ < k < 2ⁿ⁺¹. A264803

Position of n-th 0 in A031324. A31325