Properties of the Number 23725

Twenty-Three Thousand Seven Hundred Twenty-Five

Basics

Value: 23724 → 23725 → 23726

Parity: odd

Prime: No

Previous Prime: 23719

Next Prime: 23741

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 13 × 73

Divisors: 1, 5, 13, 25, 65, 73, 325, 365, 949, 1825

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101110010101101

Octal: 56255

Duodecimal: 11891

Hexadecimal: 5cad

Square: 562875625

Square Root: 154.02921800749363

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

Numbers m that are the hypotenuse of exactly 22 distinct integer-sided right triangles, i.e., m² can be written as a sum of two squares in 22 ways. A97103

11-gonal (or hendecagonal) pyramidal numbers: a(n) = n*(n+1)*(3·n-2)/2. A7586

Quadrinomial coefficients: C(2+n,n) + C(3+n,n) + C(4+n,n). A5718

Numbers that are the sum of 2 nonzero squares in 5 or more ways. A25296

Numbers that are the sum of 2 nonzero squares in 6 or more ways. A25297

Numbers that are the sum of 2 distinct nonzero squares in 5 or more ways. A25315

Numbers that are the sum of 2 distinct nonzero squares in 6 or more ways. A25316

a(n) = ∑_i=0..n digsum(i)³, where digsum(i) = A007953(i). A231688

Numbers that are simultaneously k-gonal and k-gonal pyramidal for some k >= 3. A373711

Numbers that are the sum of 2 nonzero squares in exactly 6 ways. A25289