Properties of the Number 45040

Forty-Five Thousand Forty

Basics

Value: 45039 → 45040 → 45041

Parity: even

Prime: No

Previous Prime: 45013

Next Prime: 45053

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 5 × 563

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010111111110000

Octal: 127760

Duodecimal: 22094

Hexadecimal: aff0

Square: 2028601600

Square Root: 212.22629431811694

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

Coefficient array for certain polynomials N(5; k,x) (rising powers in x). A62986

Number of rooted trees with n nodes and ω-valency 5. A193490

Number T(n,k) of plane partitions of n into parts of exactly k sorts which are introduced in ascending order; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A319730

Number of plane partitions of 2n into parts of exactly n sorts which are introduced in ascending order. A319732

Period (multiplicative order base 10) of the terms in A116074 and A116075. A116076

Numbers whose base-4 representation contains no 0's and exactly three 2's. A45040

Smallest prime number p such that p + pssq(1), p + pssq(2), ... p + pssq(n) are all prime but p+pssq(n+1) is not, where pssq(n) is the partial sum of the square of the proper terms of the primorial (A189997(n)-1). A258035