Properties of the Number 4030

Four Thousand Thirty

Basics

Value: 4029 → 4030 → 4031

Parity: even

Prime: No

Previous Prime: 4027

Next Prime: 4049

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 13 × 31

Divisors: 1, 2, 5, 10, 13, 26, 31, 62, 65, 130

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111110111110

Octal: 7676

Duodecimal: 23BA

Hexadecimal: fbe

Square: 16240900

Square Root: 63.48228099241551

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

Weird numbers: abundant (A005101) but not pseudoperfect (A005835). A6037

Number of positive subset sums of strict integer partitions of n. A284640

Primitive abundant numbers (abundant numbers all of whose proper divisors are deficient numbers). A71395

Number of sublattices of index n in generic 3-dimensional lattice. A1001

Primitive weird numbers: weird numbers with no proper weird divisors. A2975

Primitive nondeficient numbers. A6039

Numbers k such that k⁶⁴ + 1 is prime. A6316

Numbers k whose abundance is 4: σ(k) - 2·k = 4. A88832

Pentagonal numbers with even index. A49452

'Eban' numbers (the letter 'e' is banned!). A6933