Properties of the Number 30775

Thirty Thousand Seven Hundred Seventy-Five

Basics

Value: 30774 → 30775 → 30776

Parity: odd

Prime: No

Previous Prime: 30773

Next Prime: 30781

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 1231

Divisors: 1, 5, 25, 1231, 6155, 30775

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111100000110111

Octal: 74067

Duodecimal: 15987

Hexadecimal: 7837

Square: 947100625

Square Root: 175.42804792848833

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum. A185504

Number of partitions of n such that the number of parts having multiplicity >1 is not a part and the number of distinct parts is a part. A241410

Numbers n such that |real(ζ(1/2 + n·I))| exceeds all previous values, where ζ is the Riemann ζ function. A79630

Diameters in miles of the planets in the solar system, starting with the closest to the sun. A118652

Number of (n+1)X3 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum. A185499

Number of (n+1)X5 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum. A185501

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 606", based on the 5-celled von Neumann neighborhood. A273206

Numbers k such that A030767(k) = 3. A30775