Properties of the Number 29988

Twenty-Nine Thousand Nine Hundred Eighty-Eight

Basics

Value: 29987 → 29988 → 29989

Parity: even

Prime: No

Previous Prime: 29983

Next Prime: 29989

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 ² × 17

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010100100100

Octal: 72444

Duodecimal: 15430

Hexadecimal: 7524

Square: 899280144

Square Root: 173.17043627594174

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

Exponential abundant numbers: integers k for which A126164(k) > k, or equivalently for which A051377(k) > 2k. A129575

Smallest multiple of n whose digits sum to n. A2998

a(n) = 17·n². A244630

a(n) = 1·2*3·4*5 - 6·7*8·9*10 + 11·12·13·14·15 - ... + (up to n). A319545

Exponential unitary abundant numbers: numbers k such that A322857(k) > 2·k. A383693

Numbers that have exactly three exponents in their prime factorization that are equal to 2. A386798

Number of integer compositions of n that are the 0-prepended first sums of some finite sequence of distinct integers. A392702

a(n) = ∏_{d∣n, d<n} prime(A286622(d)-1). A305792

Numbers with an equal number of deficient and abundant divisors. A335543

Smallest proper multiple of n with digit sum n. A69035