Properties of the Number -70321

Seventy Thousand Three Hundred Twenty-One

Basics

Value: -70322 → -70321 → -70320

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 70321

Divisors: 1, 70321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001001010110001

Octal: -211261

Duodecimal: -34841

Hexadecimal: -112b1

Square: 4945043041

Square Root: 265.18107021429716

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

Primes p such that 2p²-1, 3p²-2 and 4p²-3 are also prime. A213079

Primes p such that 2p²-1, 3p²-2, 4p²-3, and 5p²-4 are also prime. A213107

a(n) = a(n-2) + a(n-4) + a(n-5) + a(n-7) + a(n-8) + a(n-10) for n >= 10, with a(0) = ... = a(9) = 1. A122762

Strong (2,3,5)-primes (see comments). A262727

Number of 0..n arrays x(0..3) of 4 elements with nondecreasing average value and 0..n occur with instance counts within one of each other. A200943

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 21. A31609