Properties of the Number -17983

Seventeen Thousand Nine Hundred Eighty-Three

Basics

Value: -17984 → -17983 → -17982

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 ² × 367

Divisors: 1, 7, 49, 367, 2569, 17983

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100011000111111

Octal: -43077

Duodecimal: -A4A7

Hexadecimal: -463f

Square: 323388289

Square Root: 134.10070842467613

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 connected induced (non-null) subgraphs of the antiprism graph with 2n nodes. A286183

Total number of parts that are not the smallest part in all partitions of n. A182984

Expansion of g²/(1 - x³*g⁴), where g = 1+x·g⁴ is the g.f. of A002293. A391083

Sums of members of groups in A076063. A76066

Expansion of (1+x-2·x²)/(1-21·x²-7·x³). A121458

a(n) = ∑_i=0..n digsum₈(i)³, where digsum₈(i) = A053829(i). A231682

Numbers k such that φ(k) > φ(k+1) > φ(k+2) > φ(k+3) where φ is the Euler totient function (A000010). A326817

Centered 27-gonal numbers. A389797

Patterns in a dual ring. A7574

Numbers k such that k-1 and k+1 are each the product of exactly 7 primes, counted with multiplicity. A157487