Properties of the Number -442365

Four Hundred Forty-Two Thousand Three Hundred Sixty-Five

Basics

Value: -442366 → -442365 → -442364

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 11 × 383

Divisors: 1, 3, 5, 7, 11, 15, 21, 33, 35, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101011111111111101

Octal: -1537775

Duodecimal: -193BB9

Hexadecimal: -6bffd

Square: 195686793225

Square Root: 665.1052548281363

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 k such that σ(k) - 2k = 6. A87167

Odd numbers m whose abundance by absolute value is at most 10, that is, -10 <= σ(m) - 2m <= 10. A77374

Odd solutions to abs(σ(k) - 2k) <= log(k). Numbers k whose abundance-radius does not exceed log(k). A88012

Numbers k such that σ(k) == 0 (mod k+3). A274551

Odd numbers whose abundancy is closer to 2 than any smaller odd number. A171929

Odd numbers n such that abs(σ(n)-2n) <= n^1/3. Abundance-radius = abs(σ(n)-2n) does not exceed cubic root of n and n is odd. A88010

Odd abundant numbers whose abundancy is closer to 2 than any smaller odd abundant number. A188263

Numbers k such that σ(k) == 6 (mod k). A88834

Odd numbers which can be written in precisely one way as sum of a subset of their proper divisors. A65235

Odd admirable numbers: such that σ(n) = 2n + 2d for some d | n. A109729