Properties of the Number -61271

Sixty-One Thousand Two Hundred Seventy-One

Basics

Value: -61272 → -61271 → -61270

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 8753

Divisors: 1, 7, 8753, 61271

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110111101010111

Octal: -167527

Duodecimal: -2B55B

Hexadecimal: -ef57

Square: 3754135441

Square Root: 247.52979618623695

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

Integers of the form 8k+7 that can be written as a sum of four distinct squares of the form m, m+2, m+4, m+5, where m == 1 (mod 4). A243579

Expansion of g/(1 - x²*g³), where g = 1+x·g⁴ is the g.f. of A002293. A391099

a(0) = 1; a(n) = -∑_k=1..n binomial(n,k) * k³ * a(n-k). A335578