Properties of the Number 25397

Twenty-Five Thousand Three Hundred Ninety-Seven

Basics

Value: 25396 → 25397 → 25398

Parity: odd

Prime: No

Previous Prime: 25391

Next Prime: 25409

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 109 × 233

Divisors: 1, 109, 233, 25397

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001100110101

Octal: 61465

Duodecimal: 12845

Hexadecimal: 6335

Square: 645007609

Square Root: 159.3643623900902

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) = least k such that the remainder when 15^k is divided by k is n. A128155

Numbers m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros. A334769

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011. A259894

Expansion of e.g.f. (1/x) * Series_Reversion( x·exp(-x)/(1 + x)³ ). A377830

Primitive subsequence of A111105. A137559

Number of (n+2) X (1+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011. A259887

Numbers that are the sum of 3 positive cubes in exactly 3 ways. A25397

a(n) = (A070939(A334769(n)) - A334770(n))/3. A334796

Number of 5 X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically. A207521