Properties of the Number 91455

Ninety-One Thousand Four Hundred Fifty-Five

Basics

Value: 91454 → 91455 → 91456

Parity: odd

Prime: No

Previous Prime: 91453

Next Prime: 91457

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 13 × 67

Divisors: 1, 3, 5, 7, 13, 15, 21, 35, 39, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010100111111

Octal: 262477

Duodecimal: 44B13

Hexadecimal: 1653f

Square: 8364017025

Square Root: 302.4152773918672

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

Integers k such that k·28·c + 1 is prime for c = 1, 2, 4, 7 and 14. A67199

a(n) = (2·n+1)*(2·n+3)*(2·n+5)/3. A162540

Odd numbers k such that abs(σ(k)-2k) <= sqrt(k). Abundance-radius = abs(σ(k)-2k) does not exceed square root of k and k is odd. A87415

Integers n such that 3*φ(n) < n that are not multiples of smaller integers with this property. A91455