Properties of the Number 61551

Sixty-One Thousand Five Hundred Fifty-One

Basics

Value: 61550 → 61551 → 61552

Parity: odd

Prime: No

Previous Prime: 61547

Next Prime: 61553

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 977

Divisors: 1, 3, 7, 9, 21, 63, 977, 2931, 6839, 8793

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000001101111

Octal: 170157

Duodecimal: 2B753

Hexadecimal: f06f

Square: 3788525601

Square Root: 248.09473996842416

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

G.f. A(x) satisfies A(x) = 1 + x·A(x·A(x))⁵. A143437

Numbers n such that 279·2ⁿ-1 is prime. A50898

G.f. satisfies: A(x) = 1 + x/A(-x·A(x)⁹)⁴. A213102

Number of paths along a corridor width 8, starting from one side. A61551