Properties of the Number 65676

Sixty-Five Thousand Six Hundred Seventy-Six

Basics

Value: 65675 → 65676 → 65677

Parity: even

Prime: No

Previous Prime: 65657

Next Prime: 65677

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 13 × 421

Divisors: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000010001100

Octal: 200214

Duodecimal: 32010

Hexadecimal: 1008c

Square: 4313336976

Square Root: 256.2732916243907

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

Fourth-from-right diagonal of triangle A121207. A45499

Triangle read by rows: T(n,k) is the number of set partitions of {1,2,...,n} in which the size of the last block is k, 1<=k<=n; the blocks are ordered with increasing least elements. A124496

Fibonacci sequence beginning 0, 6. A22089

a(n) = 4·n³ + 5·n² + 2·n + 1. A204674

a(n) = Fibonacci(n)*A132973(n) for n>=1, with a(0)=1, where A132973 lists the coefficients in ψ(-q)³/ψ(-q³) and where ψ() is a Ramanujan θ function. A205970

Gilda's numbers: numbers k such that if a Fibonacci sequence is formed with first term = a certain absolute value between decimal digits in k (A007953) and second term = sum of decimal digits in k (A040997), then k itself occurs as a term in the sequence. A42947

Number of Sidon subsets of {1,...,n} of size 4. A241688

a(n) = index of triangular number A077002(n). A77003

Number of length-n ternary strings·with the property that if w is a subword of·and |w| >= 3, then w reversed is not a subword of x. A330010

Numbers n such that 87·2ⁿ-1 is prime. A50569