Properties of the Number 25974

Twenty-Five Thousand Nine Hundred Seventy-Four

Basics

Value: 25973 → 25974 → 25975

Parity: even

Prime: No

Previous Prime: 25969

Next Prime: 25981

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 13 × 37

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 27, 37

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101110110

Octal: 62566

Duodecimal: 13046

Hexadecimal: 6576

Square: 674648676

Square Root: 161.1645122227595

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) = n*(n - 1)*(n + 2)/2. A77414

Appending a digit to n² gives another perfect square. A31150

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237463

Numbers n = concat(a,b) such that φ(n) = φ(a) * φ(b), where φ = A000010. A147619

Numbers k such that 10·k² + 9 is a square. A75836

a(n) = 6·a(n-2) + a(n-4), where a(0) = 3, a(1) = 11, a(2) = 18, a(3) = 68. A228470

Number of walks within N² (the first quadrant of Z²) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, 1)}. A151282

L-th order palindromes with L > 2. A89381

Numerators in convergents to infinitely repeating period 3 palindromic continued fraction [1,2,1,...]. A179238

Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237457