Properties of the Number 72342

Seventy-Two Thousand Three Hundred Forty-Two

Basics

Value: 72341 → 72342 → 72343

Parity: even

Prime: No

Previous Prime: 72341

Next Prime: 72353

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 4019

Divisors: 1, 2, 3, 6, 9, 18, 4019, 8038, 12057, 24114

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101010010110

Octal: 215226

Duodecimal: 35A46

Hexadecimal: 11a96

Square: 5233364964

Square Root: 268.9646816963149

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

G.f.: ∑_k>=0 q(k)³ * x^k / ∑_k>=0 q(k)*x^k, where q(n) is A000009(n). A304878

Triangle T(n,k) read by rows: left edge is 0, 1, 2, ... (cf. A001477); otherwise each entry is sum of entry to left and entries immediately above it to left and right, with 1 for the missing right term at right edge. A224791

Expansion of ∏_k>=0 1/(1-x^3·k+1)³. A261631

Number of Motzkin meanders of length n with an even number of peaks. A307575

The fifth left hand column of triangle A167580. A168306

a(n) = the least natural number k such that k·reverse(n) + 1 is prime. A72342