Properties of the Number -6979

Nine Hundred Seventy-Nine

Basics

Value: -6980 → -6979 → -6978

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 7 × 997

Divisors: 1, 7, 997, 6979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101101000011

Octal: -15503

Duodecimal: -4057

Hexadecimal: -1b43

Square: 48706441

Square Root: 83.5404093837228

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

Dispersion of A047211, (numbers >1 and congruent to 2 or 4 mod 5), by antidiagonals. A191730

Composite and every divisor (except 1) contains the digit 7. A62676

Number of lone-child-avoiding locally disjoint rooted identity trees whose leaves are integer partitions whose multiset union is an integer partition of n. A331686

Number of integer partitions of n such that, for all parts·of multiplicity 1, either x - 1 or x + 1 is also a part. A355393

a(n) = n*(9·n + 25)/2 + 6. A235332

Numbers that are the sum of nine fourth powers in six or more ways. A345590

Numbers that are the sum of nine fourth powers in seven or more ways. A345591

Numbers that are the sum of nine fourth powers in exactly seven ways. A345849

Number of dominating sets in the n X n black bishop graph. A289164

G.f. satisfies: 1 = ∑_n>=0 (-x)^n² * A(x)^3·n+1. A193116