Properties of the Number 45180

Forty-Five Thousand One Hundred Eighty

Basics

Value: 45179 → 45180 → 45181

Parity: even

Prime: No

Previous Prime: 45179

Next Prime: 45181

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 251

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011000001111100

Octal: 130174

Duodecimal: 22190

Hexadecimal: b07c

Square: 2041232400

Square Root: 212.5558750070202

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

Number of partitions of n such that 2*(greatest part) >= (number of parts). A237755

∑_0<j<k<=n P(k)-P(j), where P(j)=A065091(j) is the j-th odd prime. A206803

a(n) = 1458·n - 18. A157508

Erroneous version of A309982. A6775

Numbers k sandwiched between twin primes, such that k times the reverse of k is also sandwiched between twin primes. A357076

G.f. satisfies: [xⁿ] A(x)ⁿ⁺¹ = [xⁿ] A(x)ⁿ⁺² for n>1 with A'(0)=A(0)=1. A177383

Numbers whose base-5 representation contains exactly two 0's and no 2's. A45180