Properties of the Number 42624

Forty-Two Thousand Six Hundred Twenty-Four

Basics

Value: 42623 → 42624 → 42625

Parity: even

Prime: No

Previous Prime: 42611

Next Prime: 42641

Digit Sum: 18

Digital Root: 9

Palindrome: Yes

Factorization: 2 ⁷ × 3 ² × 37

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011010000000

Octal: 123200

Duodecimal: 20800

Hexadecimal: a680

Square: 1816805376

Square Root: 206.45580640902304

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

Ruth-Aaron numbers (2): sum of prime divisors of n = sum of prime divisors of n+1 (both taken with multiplicity). A39752

Number of integer partitions of n that are empty, have smallest part not dividing all the others, or greatest part not divisible by all the others. A343346

θ series of 16-dimensional lattice Kappa₁₆. A362876

Total number of parts coprime to n in the partitions of n into 6 parts. A363324

a(1) = 3, a(n) = smallest nontrivial palindromic multiple of a(n-1). a(n) is not equal to a(n-1) or a concatenation of a(n-1) with itself. A83149

Numbers with prime factorization pq^2r^7. A190466

Largest palindromic substring in 2ⁿ. A46260

Palindromes with exactly 10 prime factors (counted with multiplicity). A46336

Palindromes which are divisible by the product of their digits. A117057

Palindromes which are divisible by the product and by the sum of their digits. A117228