Properties of the Number -397440

Three Hundred Ninety-Seven Thousand Four Hundred Forty

Basics

Value: -397441 → -397440 → -397439

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁷ × 3 ³ × 5 × 23

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

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001000010000000

Octal: -1410200

Duodecimal: -172000

Hexadecimal: -61080

Square: 157958553600

Square Root: 630.4284257550574

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

G.f. satisfies: [xⁿ] A(x)ⁿ⁺¹ = [xⁿ] A(x)ⁿ for n>1 with A(0)=A'(0)=1. A158883

Rectangular table where the g.f. of row n satisfies: R(n,x) = 1 + x·R(n,x)ⁿ * [d/dx x/R(n,x)] for n>=0, as read by antidiagonals. A208896

Triangle read by rows: T(n,k) is the number of subgroups of S_n isomorphic to S_k, where S_n is the n-th symmetric group. A378163

Number of subgroups of S_n isomorphic to S₃, where S_n is the n-th symmetric group. A378279

Numbers k that have a record number of divisors that have the same binary weight as k. A381069

Primitive terms in A066192: number k such that k is a term of A066192 and k/2 is not. A383428

Number of n X 3 0..2 arrays with no element equal to any value at offset (-2,0) (-1,2) or (0,-2) and new values introduced in order 0..2. A275560