Properties of the Number 42859

Forty-Two Thousand Eight Hundred Fifty-Nine

Basics

Value: 42858 → 42859 → 42860

Parity: odd

Prime: Yes

Previous Prime: 42853

Next Prime: 42863

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 42859

Divisors: 1, 42859

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010011101101011

Octal: 123553

Duodecimal: 20977

Hexadecimal: a76b

Square: 1836893881

Square Root: 207.02415318025092

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

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 3, except for the cases mentioned in the COMMENTS. A242878

Primes of the form n² + (n+1)² + (n+2)² + (n+3)² + (n+4)² + (n+5)². A27867

Least prime of three consecutive primes (p1,p2,p3) such that p2-p1 and p3-p2 are both perfect squares. A161002

Primes that remain prime through 3 iterations of function f(x) = 5x + 2. A23283

Primes p such that the polynomial x⁵-x⁴-x³-x²-x-1 mod p has 5 distinct zeros. A106281

Prime numbers p not of the form 10k+1 for which the quintonacci quintic polynomial x⁵ - x⁴ - x³ - x² - x - 1 modulus p is factorizable into five binomials. A135847

Primes of the form k² + 10. A138355

Prime numbers p for which quintonacci quintic polynomial x⁵-x⁴-x³-x²-x-1 modulus p is completely factorizable. A135846

Primes that do not divide any term of the Lucas 5-step sequence A074048. A106301

Primes in which odd positioned digits are composite and even positioned digits are primes. The least significant digit is the taken to be the first digit. A83821

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