Properties of the Number -7887

Eight Hundred Eighty-Seven

Basics

Value: -7888 → -7887 → -7886

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: Yes

Factorization: 3 × 11 × 239

Divisors: 1, 3, 11, 33, 239, 717, 2629, 7887

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111011001111

Octal: -17317

Duodecimal: -4693

Hexadecimal: -1ecf

Square: 62204769

Square Root: 88.80878334939625

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

∏_n>=1 (1 + a(n)*xⁿ) = 1 + x + ∑_n>=2 prime(n-1)*xⁿ. A353606

Numbers palindromic in bases 10 and 25. A250410

Numbers which have only digits 7 and 8 in base 10. A256340

6th power analog of Keith numbers. A281917

Number T(n,k) of standard Young tableaux for partitions of n into distinct parts with largest part k; triangle T(n,k), k>=0, k<=n<=k*(k+1)/2, read by columns. A219274

Sum of all the parts in the partitions of n into 7 squarefree parts. A308953

Divisors of 10¹⁴ - 1. A106305

Number A(n,k) of standard Young tableaux for partitions of n into distinct parts with largest part <= k; triangle A(n,k), k>=0, 0<=n<=k*(k+1)/2, read by columns. A219272

Numbers whose smallest decimal digit is 7. A284068

a(n) is the decimal expansion of 7nn7. A100897