Properties of the Number 52420

Fifty-Two Thousand Four Hundred Twenty

Basics

Value: 52419 → 52420 → 52421

Parity: even

Prime: No

Previous Prime: 52391

Next Prime: 52433

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 2621

Divisors: 1, 2, 4, 5, 10, 20, 2621, 5242, 10484, 13105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100110011000100

Octal: 146304

Duodecimal: 26404

Hexadecimal: ccc4

Square: 2747856400

Square Root: 228.95414388038492

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

Define C(n) by the recursion C(0) = 2·i where i² = -1, C(n+1) = 1/(1 + C(n)), then a(n) = 2*(-1)ⁿ/Im(C(n)) where Im(z) denotes the imaginary part of the complex number z. A69959

Number of (w,x,y) with all terms in {0,...,n} and w ≠ max(|w-x|,|x-y|,|y-w|). A213498

Partial sums of floor(2ⁿ/5). A178452

Number of n X n 0..2 matrices with each 2 X 2 subblock idempotent. A224659

Doubly heptagonal pyramidal numbers. A329756

Number of n-crossing hyperbolic knots having symmetry group D6. A52420