Properties of the Number 43255

Forty-Three Thousand Two Hundred Fifty-Five

Basics

Value: 43254 → 43255 → 43256

Parity: odd

Prime: No

Previous Prime: 43237

Next Prime: 43261

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 41 × 211

Divisors: 1, 5, 41, 205, 211, 1055, 8651, 43255

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010100011110111

Octal: 124367

Duodecimal: 21047

Hexadecimal: a8f7

Square: 1870995025

Square Root: 207.97836425936234

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

Number of compositions [p(1), p(2), ..., p(k)] of n such that p(j) ≠ p(j-2). A224958

Number of compositions of n such that two adjacent parts are not equal modulo 5. A62203

Number of length n+3 0..4 arrays with some disjoint pairs in every consecutive four terms having the same sum. A247529

a(n) = (6·n+1)*(6·n+7). A85026

Sequence of pairs numerator(s(n)), denominator(s(n)) where s(n) is the n-th partial sum of 1/A119751(n). A120340

Numbers n which equal the sum of the prime factors of n²+1217·n+370313. A159004

Sociable totient numbers of order 3: numbers k such that s(s(s(k))) = k, but s(k) ≠ k, where s(k) = A092693(k) is the sum of iterated φ function. A343243

T(n,k)=Number of length n+3 0..k arrays with some disjoint pairs in every consecutive four terms having the same sum. A247533

Numbers k such that 6 and 7 occur juxtaposed in the base-10 representation of k but not of k-1. A43255