Properties of the Number 61495

Sixty-One Thousand Four Hundred Ninety-Five

Basics

Value: 61494 → 61495 → 61496

Parity: odd

Prime: No

Previous Prime: 61493

Next Prime: 61507

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 7 ² × 251

Divisors: 1, 5, 7, 35, 49, 245, 251, 1255, 1757, 8785

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000000110111

Octal: 170067

Duodecimal: 2B707

Hexadecimal: f037

Square: 3781635025

Square Root: 247.98185417485692

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

Fibonacci sequence beginning 1, 5. A22095

Values of·in the solutions to x² - 3xy + y² + 19 = 0, where 0 < x < y. A237133

Number of vertex cuts in the n-ladder graph P₂ x P_n. A356828

a(n) = ∑_k=1..n k*[ (n/k)*[ (n/k)*[ n/k ] ] ]. A24933

a(n) = lcm(3n+1, 3n+2, 3n+3). A61495