Properties of the Number 44980

Forty-Four Thousand Nine Hundred Eighty

Basics

Value: 44979 → 44980 → 44981

Parity: even

Prime: No

Previous Prime: 44971

Next Prime: 44983

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 13 × 173

Divisors: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010111110110100

Octal: 127664

Duodecimal: 22044

Hexadecimal: afb4

Square: 2023200400

Square Root: 212.08488866489287

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 compositions of n with no adjacent triples (..., x, y, z, ...) where x <= y <= z. A344615

a(n) = n*(5·n² - 2)/3. A4466

Table read by rows: T(n,k) = number of k-sided polygons in an equal-armed cross with arms of length n (see Comments in A331456 for definition) for k = 3,4,5,6,7. A333037

Number of compositions of 2n into n powers of 2. A333047

Numbers k such that φ(prime(k) + 1) == 0 (mod k). A67732

Rectangular table, read by antidiagonals, where the g.f. of row n is ∑_i>=0 F_i(x)ⁿ / 2ⁱ⁺¹, where F₀(x)=x, F_n+1(x) = F_n(x+x²), for n>=1. A122941

Numbers whose base-3 representation contains exactly three 0's and no 1's. A44980