Properties of the Number -29756

Twenty-Nine Thousand Seven Hundred Fifty-Six

Basics

Value: -29757 → -29756 → -29755

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 43 × 173

Divisors: 1, 2, 4, 43, 86, 172, 173, 346, 692, 7439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111010000111100

Octal: -72074

Duodecimal: -15278

Hexadecimal: -743c

Square: 885419536

Square Root: 172.49927536079682

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

Product of a prime and the previous number. A36689

a(n) = 25·n² + 25·n + 6. A177059

G.f. satisfies A(x) = (1 + 2·x*A(x)) * (1 + x·A(x)²). A215661

Multiplicative order of 2 modulo prime(n)² for n >= 2. A243905

Numbers m such that gcd(A001008(m), m) > 1, in increasing order. A256102

Numbers that are both interprime and oblong. A263676

Deficient oblong numbers. A77804

Number of self-inverse permutations p on [n] with displacement of elements restricted by 4: |p(i)-i| <= 4. A239076

Numbers n such that 2 * (1ⁿ + 2ⁿ + 3ⁿ + ... + nⁿ) is not 0 (mod n), but 2 * (1^d + 2^d + 3^d + ... + d^d) is 0 (mod d) for each other d | n. A280187

a(n) is the least exponent k such that 3^k-1 is divisible by prime(n)², or -1 if no such k exists. A283620