Properties of the Number 25101

Twenty-Five Thousand One Hundred One

Basics

Value: 25100 → 25101 → 25102

Parity: odd

Prime: No

Previous Prime: 25097

Next Prime: 25111

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2789

Divisors: 1, 3, 9, 2789, 8367, 25101

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001000001101

Octal: 61015

Duodecimal: 12639

Hexadecimal: 620d

Square: 630060201

Square Root: 158.43295111813072

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

Expansion of (∏_j>=1 (1-(-x)^j) - 1)⁹ in powers of x. A1487

Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) >= number of distinct parts of p. A241821

Odd composites k such that σ(k) has the same powerful part as k, where σ is the sum of divisors function. A386425

Index sequence for limit-block extending A000002 (Kolakoski sequence) with first term as initial block. A246145

Integers k such that (2^k + 1) + (3^k + 1) + (5^k + 1) is prime. A268064

Terms k of A228058 such that gcd(k - A048250(k), A162296(k) - k) = A162296(k) - k. A325376

a(n) = ∑_i=1..n LookAndSay(i). A79664

Partial sums of primes of form n² + (n+1)² + (n+2)² (A027864). A248373

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, -1), (1, 0, -1), (1, 0, 1)}. A149147

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (1, p(1), p(2), ...), t = (F(2), F(3), F(4), ...). A25101