Properties of the Number 3958

Three Thousand Nine Hundred Fifty-Eight

Basics

Value: 3957 → 3958 → 3959

Parity: even

Prime: No

Previous Prime: 3947

Next Prime: 3967

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 1979

Divisors: 1, 2, 1979, 3958

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101110110

Octal: 7566

Duodecimal: 235A

Hexadecimal: f76

Square: 15665764

Square Root: 62.91263784010332

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 partitions of n into distinct parts such that number of parts is odd. A67659

Partial sums of A299254. A299260

a(n) = 2·n² + 6·n + 2. A90288

From area of cyclic polygon of 2n + 1 sides. A531

Numbers n such that binomial(2n, n) - 1 is prime. A66726

Semiprimes sandwiched between semiprimes. A86005

Number of partitions of n into distinct parts with an odd rank. A117193

Expansion of g.f. (6 + 5·x - 20·x² - 12·x³ + 12·x⁴ + 3·x⁵)/(1 + x - 5·x² - 4·x³ + 6·x⁴ + 3·x⁵ - x⁶). A216605

Numbers n such that n-1, n and n+1 are all squarefree semiprimes. A248201

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250536