Properties of the Number 30495

Thirty Thousand Four Hundred Ninety-Five

Basics

Value: 30494 → 30495 → 30496

Parity: odd

Prime: No

Previous Prime: 30493

Next Prime: 30497

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 19 × 107

Divisors: 1, 3, 5, 15, 19, 57, 95, 107, 285, 321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011100011111

Octal: 73437

Duodecimal: 15793

Hexadecimal: 771f

Square: 929945025

Square Root: 174.62817642064525

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 repeat of the opening sequence of length n occurring after the first repeat of the opening sequence of length n-1 in the Kolakoski sequence (A000002). A74300

Numbers k such that φ(k) = φ(k+2) - φ(k+1). A229552

Numbers n such that φ(n)+φ(n+1)=n+1. A67798

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 1, -1), (0, 1, 1), (1, 0, 1)}. A150437

a(n) = (n+1)! + n. A30495

Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111. A260367