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Properties of the Number 30982

Thirty Thousand Nine Hundred Eighty-Two

Basics

Value: 30981 → 30982 → 30983

Parity: even

Prime: No

Previous Prime: 30977

Next Prime: 30983

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 2213

Divisors: 1, 2, 7, 14, 2213, 4426, 15491, 30982

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111100100000110

Octal: 74406

Duodecimal: 15B1A

Hexadecimal: 7906

Square: 959884324

Square Root: 176.01704462920628

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

Positions of zeros in A163897. A165480
Number of strictly increasing arrangements of 7 numbers in -(n+5)..(n+5) with sum zero. A188185
Number of partitions of floor(7n/2) into n nonnegative integers each no more than 7. A1979
Number of nondecreasing arrangements of n numbers in -(n+4)..(n+4) with sum zero. A188208
Number of nX7 0..1 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201502
T(n,k) is the number of strictly increasing arrangements of n numbers in -(n+k-2)..(n+k-2) with sum zero. A188181
T(n,k)=Number of nondecreasing arrangements of n numbers in -(n+k-2)..(n+k-2) with sum zero. A188211
T(n,k) = number of nondecreasing arrangements of n numbers in -k..k with sum zero. A183917
a(n) = n if n <= 3; for n>3, a(n) = the closest number to a(n-1) that has not occurred earlier and has at least one common factor with a(n-2), but none with a(n-1). In case of a tie, choose the smaller. A340783
Number of noncrossing nonplanted bushes with n nodes, i.e., rooted noncrossing trees with n nodes and no nodes of degree 1. A30982