Properties of the Number 43069

Forty-Three Thousand Sixty-Nine

Basics

Value: 43068 → 43069 → 43070

Parity: odd

Prime: No

Previous Prime: 43067

Next Prime: 43093

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 × 3313

Divisors: 1, 13, 3313, 43069

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010100000111101

Octal: 124075

Duodecimal: 20B11

Hexadecimal: a83d

Square: 1854938761

Square Root: 207.53072061745462

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

Absolute difference of numerator and denominator of Bernoulli(2·n), n >= 0. A162173

Numerator of 1 - A164555(n)/A027642(n). A165226

Numerator of the n-th term in the first differences of the binomial transform of the "original" Bernoulli numbers. A165161

Numbers n such that n² = 37·m² + 37·m +1. A105843

Smallest k such that both of the consecutive Woodall numbers A003261(k) and A003261(k+1) are divisible by A014662(n), the n-th prime p with even order of 2 mod p. A287145

Counterexamples to the conjecture that an even, prime-indexed triangular plus 1 equals a prime or that an odd, prime-indexed triangular minus 2 equals a prime. A97785

a(n)=(s(n)+3)/8, where s(n)=n-th base 8 palindrome that starts with 5. A43069