Properties of the Number 77042

Seventy-Seven Thousand Forty-Two

Basics

Value: 77041 → 77042 → 77043

Parity: even

Prime: No

Previous Prime: 77041

Next Prime: 77047

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 5503

Divisors: 1, 2, 7, 14, 5503, 11006, 38521, 77042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110011110010

Octal: 226362

Duodecimal: 38702

Hexadecimal: 12cf2

Square: 5935469764

Square Root: 277.564406940083

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

Exponents m with decreasing fractional part of (4/3)^m. A154130

a(1)=1, a(2)=2 and a(n+1) is minimal such that there are a(n-1) primes strictly between a(n) and a(n+1). A82279

Number of ways to choose a rooted partition of each part in a strict rooted partition of n. A301751

Square array read by falling antidiagonals of central polynomial coefficients: largest coefficient in expansion of (1 + x + x² + ... + x^n-1)^k = ((1-xⁿ)/(1-x))^k, i.e., the coefficient of x^floor(k*(n-1)/2) and of x^ceiling(k*(n-1)/2); also number of compositions of floor(k*(n+1)/2) into exactly k positive integers each no more than n. A77042