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Properties of the Number -30930

Thirty Thousand Nine Hundred Thirty

Basics

Value: -30931 → -30930 → -30929

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 1031

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 1031, 2062

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100011010010

Octal: -74322

Duodecimal: -15A96

Hexadecimal: -78d2

Square: 956664900

Square Root: 175.86926962946086

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

Numerators of coefficients of e2 in the table of (2n)th du Bois Reymond constants. A85467
Number T(n,k) of solid standard Young tableaux of n cells and height = k; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A214753
Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,51. A64262
a(n) = -A085466(n) times the free coefficient of the 2n-th Du Bois-Reymond polynomial in e2. A138729
Numbers k such that in base 2 the k-th composite is a substring of the k-th prime. A378479
Number of 3-vexillary permutations in Sn, that is, permutations whose Stanley symmetric function has at most 3 terms or at most 3 Edelman-Greene tableaux. A223034
Number of solid standard Young tableaux of n cells and height two. A273582
Numbers k such that there is no prime p and index j > k such that A002182(j) = p·A002182(k). A309042