Properties of the Number 25346

Twenty-Five Thousand Three Hundred Forty-Six

Basics

Value: 25345 → 25346 → 25347

Parity: even

Prime: No

Previous Prime: 25343

Next Prime: 25349

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 19 × 23 × 29

Divisors: 1, 2, 19, 23, 29, 38, 46, 58, 437, 551

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001100000010

Octal: 61402

Duodecimal: 12802

Hexadecimal: 6302

Square: 642419716

Square Root: 159.20427129948493

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

The n-th n-gonal number: a(n) = n*(n² - 3·n + 4)/2. A60354

Numbers k such that k and k+1 are the product of exactly four distinct primes. A318896

a(0)=1; a(1)=2; a(2)=5; a(3)=14; for n>3: a(n) = 8·a(n-1)-20·a(n-2)+16·a(n-3)-a(n-4). A126566

Expansion of -2·x²*(-3-2·x+x²-x³-2·x⁴+x⁵) / ( (1+x)²*(x-1)⁴ ). A178465

Integers m of the form m = 3·p + 5·q = 5·r + 7·s where {p,q} and {r,s} are pairs of consecutive primes. A283392

Numbers n whose sum of anti-divisors is a permutation of their digits. A258786

Number of independent sets of permutations of n points, i.e., subsets of the symmetric group of degree n, with the property that none of the elements in the subset can be generated by the rest of the subset. A263802

G.f.: 1/(1 + x/(1 + x³/(1 + x⁶/(1 + x¹⁰/(1 + x¹⁵/(1 + ... + x^k*(k+1/2)/(1 + ...))))))), a continued fraction. A285484

38-gonal numbers: a(n) = n*(18·n-17). A282850

Numbers k such that σ(k) = σ(k+19), where σ(k) is the sum of the divisors of k. A321533