Properties of the Number -71978

Seventy-One Thousand Nine Hundred Seventy-Eight

Basics

Value: -71979 → -71978 → -71977

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 17 × 29 × 73

Divisors: 1, 2, 17, 29, 34, 58, 73, 146, 493, 986

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001100100101010

Octal: -214452

Duodecimal: -357A2

Hexadecimal: -1192a

Square: 5180832484

Square Root: 268.28715958837836

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 compositions (ordered partitions) of n into distinct parts, the least being 2. A339163

Numbers that are the sum of nine fifth powers in three or more ways. A345620

Numbers that are the sum of nine fifth powers in exactly three ways. A346338

a(0) = 1; a(n) = ∑_k=1..n gcd(n,k)*a(n-k). A308445