Properties of the Number -25171

Twenty-Five Thousand One Hundred Seventy-One

Basics

Value: -25172 → -25171 → -25170

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 25171

Divisors: 1, 25171

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110001001010011

Octal: -61123

Duodecimal: -12697

Hexadecimal: -6253

Square: 633579241

Square Root: 158.65371095565334

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

Smallest prime in the sequence s(k) = n·s(k-1) - s(k-2), with s(0) = 1, s(1) = n + 1 (or -1 if no such prime exists). A269253

Number of compositions (ordered partitions) of n into distinct parts >= 5. A339103

a(1) = 2; a(n) is the smallest prime > a(n-1) such that a(n) + a(n-1) is a square. A62064

Middle of 3 consecutive prime numbers such that p1·p2·p3 + d1 + d2 - 1 = average of twin prime pairs, d1 (δ) = p2 - p1, d2 (δ) = p3 - p2. A153404

Primes p such that p·floor(p/2)-2 and p·floor(p/2)+2 are also prime numbers. A164621

Number of edges in the directed graph for the Reversed Zeckendorf game with starting number n. A389617

Number of partially achiral planted trees with n nodes. A3237

Discriminants of imaginary quadratic fields with class number 41 (negated). A351679

Certain subgraphs of a directed graph. A5332

Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first and second differences in -n..n. A208972