Properties of the Number 4975

Four Thousand Nine Hundred Seventy-Five

Basics

Value: 4974 → 4975 → 4976

Parity: odd

Prime: No

Previous Prime: 4973

Next Prime: 4987

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 199

Divisors: 1, 5, 25, 199, 995, 4975

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101101111

Octal: 11557

Duodecimal: 2A67

Hexadecimal: 136f

Square: 24750625

Square Root: 70.53367989832942

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

a(n) = floor(n*φ¹¹), where φ is the golden ratio, A001622. A4926

Values of n such that L(9) and N(9) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226929

Numbers k such that k!!! + 1 is prime (0 is included by convention). A37083

Smallest multiple of n whose digits sum to n. A2998

Positive integers n such that 13ⁿ == 7 (mod n). A116632

G.f. satisfies: A(x) = (1+x) * A(x²)*A(x³)*A(x⁴)*...*A(xⁿ)*... A129373

a(n) = n*(8·n-1). A139274

Permutation arrays of period n. A6841

T(n,k) is the half the number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock having at most one duplicate clockwise edge difference. A209951

Expansion of x²*(2 - x + x²) / ((1 + x)*(1 - x)⁴). A26035