Properties of the Number 42130

Forty-Two Thousand One Hundred Thirty

Basics

Value: 42129 → 42130 → 42131

Parity: even

Prime: No

Previous Prime: 42101

Next Prime: 42131

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 11 × 383

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 383, 766

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010010010010

Octal: 122222

Duodecimal: 2046A

Hexadecimal: a492

Square: 1774936900

Square Root: 205.25593779474445

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

Moore lower bound on the order of a (9,g)-cage. A198309

a(n) = (9·8ⁿ - 2)/7. A238276

Coordination sequence for root lattice B₅. A22147

Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and 2w+x+y>0. A211617

Indices where A092243 strictly changes sign. A269737

a(n) is the position of the first occurrence of n³ in the concatenation of the positive integers in decimal representation. A290787

Square array A(n,k) read by antidiagonals: coordination sequence for lattice B_n. A103883

Product of the first n 5-almost primes (A014614), divided by product of the first n primes, rounded down. A122609

Sum of squares of cycle lengths for different cycles in Fibonacci-like sequences modulo n. A233246

a(n) is the least number k such that the sum of n² consecutive primes starting at prime(k) is a square. A357813