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Properties of the Number 42480

Forty-Two Thousand Four Hundred Eighty

Basics

Value: 42479 → 42480 → 42481

Parity: even

Prime: No

Previous Prime: 42473

Next Prime: 42487

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 4 × 3 2 × 5 × 59

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111110000

Octal: 122760

Duodecimal: 20700

Hexadecimal: a5f0

Square: 1804550400

Square Root: 206.10676844781202

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

Numbers that have exactly eight prime factors counted with multiplicity (A046310) whose digit reversal is different and also has 8 prime factors (with multiplicity). A109028
Denominator in Feinler's formula for unsigned Bernoulli number |B2n|. A2444
Array read by antidiagonals: T(n,k) is the number of Hamiltonian rooted triangulations with n internal nodes and k + 3 external nodes, n >= 0, k >= 0. A391153
Number of Hamiltonian rooted triangulations with n internal nodes and 5 external nodes. A5979
Base 8 digital convolution sequence. A33645
9 times octagonal numbers: a(n) = 9·n*(3·n-2). A64201
a(n) is the smallest positive integer k, such that set of pairwise gcd of k, k+1, ..., k+n has a cardinality of n. A356371
p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S - S2 - S3. A291233
a(1) = 4, a(n+1) = the smallest multiple of composite(n+1) beginning with a(n). A85954
Molecular topological indices of the crossed prism graphs. A192793