Properties of the Number 30974

Thirty Thousand Nine Hundred Seventy-Four

Basics

Value: 30973 → 30974 → 30975

Parity: even

Prime: No

Previous Prime: 30971

Next Prime: 30977

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 17 × 911

Divisors: 1, 2, 17, 34, 911, 1822, 15487, 30974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100011111110

Octal: 74376

Duodecimal: 15B12

Hexadecimal: 78fe

Square: 959388676

Square Root: 175.99431809010198

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 3 X n binary matrices up to row and column permutations. A2727

Record gaps between Chebyshev primes (of index 1). A196672

G.f.: (1+x)^2·g*(1+x³)^3·g/((1-x²)*(1-x⁴))-x^2·g*(1+x)⁴/((1-x²)*(1-x⁴)) for g=3. A199629

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A259002

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (0, 0, 1), (0, 1, -1), (1, 0, 1)}. A150034

Number of separable partitions of n in which the number of distinct (repeatable) parts <= 6. A325715

Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 2 or 4. A252061

[ exp(3/4)*n! ]. A30974