Properties of the Number 3143

Three Thousand One Hundred Forty-Three

Basics

Value: 3142 → 3143 → 3144

Parity: odd

Prime: No

Previous Prime: 3137

Next Prime: 3163

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 × 449

Divisors: 1, 7, 449, 3143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001000111

Octal: 6107

Duodecimal: 199B

Hexadecimal: c47

Square: 9878449

Square Root: 56.06246516163912

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

G.f.: ∏_k>=1 1/(1+x^k)^k. A255528

Number of integer partitions of n whose sequence of frequencies is strictly increasing. A100471

Numbers k such that 3^k + 32 is prime. A219048

Indices of (probable) primes in A030221. A299101

T(n,k)=Number of nXk 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order. A267667

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302367

Numbers k with property that average digit of k² is s=7. A164773

Shifts left when inverse Moebius transform applied twice. A7557

Numbers k such that σ(φ(k)) - φ(σ(k)) is nonzero and divisible by σ(k), that is A065395(k)/A000203(k) is a nonzero integer. A92588

Sum of the largest parts of the partitions of n into 8 primes. A326463