Properties of the Number 87691

Eighty-Seven Thousand Six Hundred Ninety-One

Basics

Value: 87690 → 87691 → 87692

Parity: odd

Prime: Yes

Previous Prime: 87683

Next Prime: 87697

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 87691

Divisors: 1, 87691

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011010001011

Octal: 253213

Duodecimal: 428B7

Hexadecimal: 1568b

Square: 7689711481

Square Root: 296.12666208904596

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

Consecutive states of the linear congruential pseudo-random number generator (2661·s + 36979) mod 175000 when started at s=1. A385361

Let p(k) denote k-th prime; consider solutions (p(n),p(m)) of Diophantine equation p(p(n)+1)-6.p(p(m))=1 (*), where p(p(n)) belongs to A060213 and p(p(m))=(p(p(n))+1)/6; sequence gives values of p(n). A65505

Primes p such that p,q,r,s are consecutive primes and 2p+9, 2q+9, 2r+9, 2s+9 are also primes. A190354

Primes which become squares when the digits are rotated once to the right. A234925

Number of n X 3 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 neighboring 1s. A296322

Squares of primes of the form 4·k+3. A87691