Properties of the Number 30116

Thirty Thousand One Hundred Sixteen

Basics

Value: 30115 → 30116 → 30117

Parity: even

Prime: No

Previous Prime: 30113

Next Prime: 30119

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7529

Divisors: 1, 2, 4, 7529, 15058, 30116

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010110100100

Octal: 72644

Duodecimal: 15518

Hexadecimal: 75a4

Square: 906973456

Square Root: 173.5396208362805

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 ordered pairs of disjoint strict integer partitions of n. A365662

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..1 introduced in row major order. A238654

Irregular triangle read by rows: T(n,k) (n >= 1, 2 <= k <= 2·n) = number of interior vertices in the n-th figure shown in A255011 (meaning the figure with 4n points on the perimeter) where k lines meet. A334691

Sum of the numbers already killed in the first jump of a Sieve of Eratosthenes table. A179628

Number of nondecreasing -2..2 vectors of length n whose dot product with some nonincreasing -2..2 vector equals n. A226393

Number of (n+2)X(5+2) 0..1 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..1 introduced in row major order. A238651

Number of (n+2) X (n+2) 0..1 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..1 introduced in row major order. A238648

Number of distributive lattices; also number of paths with n turns when light is reflected from 12 glass plates. A30116

Times in hours, minutes and seconds (to the nearest second) at which the hour and minute hands of an analog clock, if interchanged, continue to indicate some other albeit accurate times, over a complete 12-hour sweep for the slower hand. Leading zeros omitted. A121577

Number of n X 6 binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once. A268764