Properties of the Number -156817

One Hundred Fifty-Six Thousand Eight Hundred Seventeen

Basics

Value: -156818 → -156817 → -156816

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 156817

Divisors: 1, 156817

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110010010010001

Octal: -462221

Duodecimal: -76901

Hexadecimal: -26491

Square: 24591571489

Square Root: 396.0012626242497

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

Smaller of two consecutive prime numbers such that p1·p2·d - d = average of twin prime pairs, d (δ) = p2 - p1. A153378

Primes associated with A127435. A127436

Primes of the form 9·n² + 1. A156226

Smallest prime p == 1 (mod 8) such that Q(sqrt(p)) has class number 2n+1. A355876

a(n) = index of first appearance of n in A096862. A97008

Primes p of the form 4·n² + 1 such that 4·p²+1 is also prime. A121834

Numbers n for which 18n+1, 18n+5, 18n+7, 18n+11, 18n+13 and 18n+17 are primes. A309871

Primes of the form (p + q)² + 1, where p and q are consecutive primes. A244095

Primes that are the square of the sum of a twin prime pair plus 1. A261889

Löschian numbers (A003136) of the form k²+1. A271184