Properties of the Number 30648

Thirty Thousand Six Hundred Forty-Eight

Basics

Value: 30647 → 30648 → 30649

Parity: even

Prime: No

Previous Prime: 30643

Next Prime: 30649

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 1277

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 1277, 2554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011110111000

Octal: 73670

Duodecimal: 158A0

Hexadecimal: 77b8

Square: 939299904

Square Root: 175.0657019521528

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

T(n,k)=Number of arrays of n+2 integers in -k..k with sum zero and adjacent elements differing in absolute value. A202962

Numbers n such that 3⁷*2ⁿ - 1 is prime. A230537

Numbers n such that n and the four successive integers produce primes if substituted for·in the polynomial 5x²+5x+1. See A090562, A090563. Terms show that longer similar chains also exist. A90100

Number of arrays of 5 integers in -n..n with sum zero and adjacent elements differing in absolute value. A202965

Coefficient Expansion sequence of a Weaver Morse Code polynomial (using Cyclotomic prime base dot, dash, letter space and word space symbols): p(x) = -5 - 10 x - 12 x² - 10 x³ - 7 x⁴ - 3 x⁵ + 5 x⁷ + 8 x⁸ + 9 x⁹ + 8 x¹⁰ + 6 x¹¹ + 3 x¹² + x¹³. A143389

Dimensions of multiples of minimal representation of complex Lie algebra E6. A30648