Properties of the Number -6975

Nine Hundred Seventy-Five

Basics

Value: -6976 → -6975 → -6974

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 31

Divisors: 1, 3, 5, 9, 15, 25, 31, 45, 75, 93

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101100111111

Octal: -15477

Duodecimal: -4053

Hexadecimal: -1b3f

Square: 48650625

Square Root: 83.51646544245033

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

Expansion of ∏_{m >= 1} (1-m·q^m)¹⁵. A22675

G.f. A(x) satisfies A(x) = ( 1 + 9·x/(1 - x·A(x))² )^1/3. A372022

Partial sums of A008137. A299276

Number of unrooted planar 2-constellations with n digons. Also number of n-edge unrooted planar Eulerian maps with bicolored faces. A90371

Number of paraffins. A5997

T(n,k)=Number of nXk 0..2 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions). A231908

a(n) = n²*(2·n+1). A99721

Numbers k such that the Lucas Aurifeuillian primitive part B of Lucas(k) is prime. A61443

15 times triangular numbers. A194715

a(n) = ∑_0<j<n n³-j³. A206808