Properties of the Number 25159

Twenty-Five Thousand One Hundred Fifty-Nine

Basics

Value: 25158 → 25159 → 25160

Parity: odd

Prime: No

Previous Prime: 25153

Next Prime: 25163

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 139 × 181

Divisors: 1, 139, 181, 25159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001001000111

Octal: 61107

Duodecimal: 12687

Hexadecimal: 6247

Square: 632975281

Square Root: 158.61588823317794

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

Sum of the largest parts of the partitions of n into 5 parts. A308827

Solution to the problem of finding the number of comparisons needed for optimal merging of 3 elements with n elements. A239100

a(n) = ∑_k=1..n k·rad(k). A350996

Number of walks within N² (the first quadrant of Z²) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 1), (0, -1), (0, 1), (1, 0)}. A151412

a(n) = numerator of ∑_d∣n (pod(d)/σ(d))where pod(k) = the product of the divisors of k (A007955) and σ(k) = the sum of the divisors of k (A000203). A324984

Row sums of the triangle A097883. A98404

prime(n)*( prime(n)-n ). A161522

The squares visited on a square (Ulam) spiral, with a(1) = 1 and a(2) = 2, when stepping to the closest unvisited square containing a number that shares a common divisor > 1 with the number in the current square. If two or more such squares are the same distance from the current square then the one with the smallest number is chosen. A335661

Number of partitions of n with distinct parts p(i) such that if i ≠ j, then |p(i) - p(j)| >= 5. A25159