Properties of the Number 42325

Forty-Two Thousand Three Hundred Twenty-Five

Basics

Value: 42324 → 42325 → 42326

Parity: odd

Prime: No

Previous Prime: 42323

Next Prime: 42331

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 1693

Divisors: 1, 5, 25, 1693, 8465, 42325

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010010101010101

Octal: 122525

Duodecimal: 205B1

Hexadecimal: a555

Square: 1791405625

Square Root: 205.73040611440985

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

Decimal representation of the middle column of the "Rule 41" elementary cellular automaton starting with a single ON (black) cell. A266613

Maximum word length generated by acyclic context-free grammar in Greibach normal form whose grammar size is at most n. A389642

Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^t+u+v) having one, two, three, four or five distinct values for every i,j,k<=n. A211727

Number of noncomposites in the reduced residue system of n-th primorial number, A002110(n). A276497

Array A read by upward antidiagonals in which the entry A(n,k) in row n and column k is defined by A(n, k) = 4ⁿ*(6·k - 3 - 2*(-1)ⁿ) + (4ⁿ - 1)/3, n,k >= 1. A371100

Rectangular array with all start numbers Me(n, k), k >= 1, for the Collatz operation ud^2·n, n >= 1, ending in an odd number, read by antidiagonals. A238475

Denominators of continued fraction convergents to sqrt(689). A42325