Properties of the Number 87615

Eighty-Seven Thousand Six Hundred Fifteen

Basics

Value: 87614 → 87615 → 87616

Parity: odd

Prime: No

Previous Prime: 87613

Next Prime: 87623

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 11 × 59

Divisors: 1, 3, 5, 9, 11, 15, 27, 33, 45, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011000111111

Octal: 253077

Duodecimal: 42853

Hexadecimal: 1563f

Square: 7676388225

Square Root: 295.9983108059909

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

Numbers k that have no zero digits and such that both k+1 and (product of digits of k) + 1 are squares. A81990

a(n) = 64·n² - 1. A158684

The average of primes dividing n and n+1 is the same. A227754

Numbers k such that s(k) = s(k+1), where s(k) is A059975. A327250

Integer part of the area of circles with prime radii. A97427

Number of labeled cyclic preferences/voting outcomes, indifference and undecidedness/incompleteness permitted (Social Choice Theory). A87615