Properties of the Number 25954

Twenty-Five Thousand Nine Hundred Fifty-Four

Basics

Value: 25953 → 25954 → 25955

Parity: even

Prime: No

Previous Prime: 25951

Next Prime: 25969

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 19 × 683

Divisors: 1, 2, 19, 38, 683, 1366, 12977, 25954

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101100010

Octal: 62542

Duodecimal: 1302A

Hexadecimal: 6562

Square: 673610116

Square Root: 161.10245187457576

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one. A184081

a(n) = T(n,n-6), array T as in A055807. A55811

Length of n-th run of consecutive primes in A375564. A376195

Number of distinct lines passing through 3 or more points in an n X n grid. A225606

a(n) = ∑_i=0..n (2ⁱ*(-1)ⁱ⁺ⁿ*C(n,i)*C(2·n+i-1,n-1)). A259554

Numbers k such that k | sigma₁₁(k). A55715

Sixth convolution of Schroeder's (second problem) numbers A001003(n), n>=0. A111994

Triangle T(n,k) read by rows: the coefficient [x^k] of the ∏_s=1..n (x+16·cos(s*π/(2n+1))⁴), 0<=k<=n. A179837

Number of (n+1)X4 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one. A184075

Number of (n+1)X6 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one. A184077