Properties of the Number 25167

Twenty-Five Thousand One Hundred Sixty-Seven

Basics

Value: 25166 → 25167 → 25168

Parity: odd

Prime: No

Previous Prime: 25163

Next Prime: 25169

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 8389

Divisors: 1, 3, 8389, 25167

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001001001111

Octal: 61117

Duodecimal: 12693

Hexadecimal: 624f

Square: 633377889

Square Root: 158.64110438344787

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

a(n)*a(n+3) - a(n+1)*a(n+2) = 2ⁿ, given a(0)=1, a(1)=2, a(2)=10. A80881

Number of ways to write n as an ordered sum of 8 primes (counting 1 as a prime). A341987

Numbers m such that A166133(m+1) = A166133(m)² - 1. A256703

a(n) = 52·n² - 1. A158640

a(n) = ∑_k=1..n-1 k²*φ(k) + n²*φ(n)/2, where φ = A000010. A333293

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (1, -1, 0), (1, 0, 1), (1, 1, -1)}. A148979

Triangle T(n, k) read by rows: row n gives the coefficients of the numerator polynomials of the o.g.f. of the (n+1)-th diagonal of the Sheffer triangle A286718 (|S1hat[3,1]| generalized Stirling 1), for n >= 0. A290595

E.g.f: exp(x/(1-2·x))/(1-2·x). A25167